CN113872988A - Self-adaptive access system and method compatible with traditional power distribution terminal and internet of things terminal - Google Patents
Self-adaptive access system and method compatible with traditional power distribution terminal and internet of things terminal Download PDFInfo
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Abstract
The invention discloses a self-adaptive access system and a self-adaptive access method compatible with a traditional power distribution terminal and an internet of things terminal, wherein the self-adaptive access system comprises a real-time data processing module, a front-end data acquisition system and a power distribution main station, wherein the real-time data processing module is used for processing an interactive message between the real-time data processing module and the front-end data acquisition system and interacting with the power distribution main station through a Kafka bus; the model mapping module is used for generating virtual terminal information with description characteristics by referring to an Internet of things equipment model according to measurement point information of a traditional power distribution terminal, converting the data uploaded by the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, performing data encapsulation by referring to a power distribution Internet of things terminal data structure when the data change occurs, and sending the encapsulated data to a Kafka bus; the uniform access module is used for classifying and processing the messages pushed by the IoT platform, packaging the processing results into messages with uniform formats and then pushing the messages to the power distribution master station through the Kafka bus. The invention can realize the unified access and management of the traditional power distribution terminal and the novel power distribution terminal.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a self-adaptive access system and a self-adaptive access method compatible with a traditional power distribution terminal and an internet of things terminal.
Background
Along with the development of technology, conventional distribution automation and accompany my operation and maintenance management technique are difficult to adapt to the demand that the digital transformation of distribution network and novel distribution network were built, and new technologies and new theory such as "cloud moves thing wisdom chain" are gradually introduced to the power supply enterprise, and the comprehensive perception of distribution network is realized to the degree of depth integration "distribution network + thing networking", and it gradually becomes the trend to provide technical support for the digital transformation. Therefore, power supply enterprises, manufacturers and colleges actively explore various aspects such as a power distribution network Internet of things standard system, a power distribution network architecture, a power distribution network platform, a power distribution network cloud side and a power distribution network side and side open type Internet of things architecture system, and design, practice and application are carried out on a power distribution cloud master station, the power distribution network Internet of things platform, an Internet of things communication protocol, an intelligent power distribution terminal, a typical application scene and the like based on the technical architecture. In the construction of distribution automation engineering, a traditional distribution terminal and a novel Internet of things distribution terminal coexist for a long time, the distribution Internet of things technical architecture is based on 'cloud-pipe-edge-end', MQTT and CoAP protocols supporting equipment sub-description are adopted, and the traditional distribution terminal mostly adopts an IEC 101/1004 protocol (hereinafter referred to as IEC protocol). The problem of traditional distribution terminal, newly-built thing allies oneself with the convenient access of terminal is solved, to realizing comprehensively that the distribution network is medium and low voltage control, promote distribution automation and have the significance.
At present, in an engineering field, in order to solve the problem that a traditional power distribution terminal and a novel internet of things power distribution terminal are comprehensively accessed, two sets of data acquisition systems, namely a front data acquisition system and an internet of things management platform (hereinafter referred to as IoT platform), are respectively deployed at a power distribution master station and are used for respectively accessing power distribution terminals corresponding to respective protocols. Therefore, on one hand, the hardware cost is increased, on the other hand, operation and personnel training needs to be carried out on two sets of systems in engineering, and the operation and maintenance workload, the operation and maintenance difficulty and the learning cost are increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a self-adaptive access system and a self-adaptive access method compatible with a traditional power distribution terminal and an internet of things terminal, and the unified access and management of the traditional power distribution terminal and a novel power distribution terminal can be realized.
In a first aspect, an adaptive access system compatible with a conventional power distribution terminal and an internet of things terminal according to an embodiment of the present invention includes:
the real-time data processing module is used for interacting with a preposed data acquisition system, the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol, and the real-time data processing module is used for processing an interaction message between the real-time data processing module and the preposed data acquisition system and interacting with a power distribution master station through a Kafka bus;
the model mapping module is used for generating virtual terminal information with description characteristics by referring to an Internet of things equipment model according to the measuring point information of the traditional power distribution terminal, converting the uplink data of the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, packaging the data by referring to a power distribution Internet of things terminal data structure when the data changes, and sending the packaged data to the Kafka bus;
the system comprises a uniform access module and a power distribution master station, wherein the uniform access module is used for interacting with an IoT platform, the IoT platform is connected with an Internet of things protocol-based Internet of things power distribution terminal, and the uniform access module is used for classifying and processing messages pushed by the IoT platform, packaging the processing results into messages with uniform formats and then pushing the messages to the power distribution master station through the Kafka bus.
The self-adaptive access system compatible with the traditional power distribution terminal and the Internet of things terminal provided by the embodiment of the invention at least has the following beneficial effects:
aiming at a traditional power distribution terminal based on an IEC protocol, mapping data into a data structure consistent with real-time data of an Internet of things power distribution terminal through a model mapping module, and interacting with a power distribution master station through a Kafka bus; to neotype thing allies oneself with power distribution terminal based on internet of things agreement, unified model on equipment model abstract foundation to through unified access module unify different producer IoT platforms's access data model and data format, shield its difference, realized traditional power distribution terminal and novel power distribution terminal's unified access, avoid adopting many sets of systems to carry out the operation and maintenance management.
According to some embodiments of the invention, the real-time data processing module comprises a remote signaling processing unit, a telemetry processing unit, a remote control processing unit, and a connection detection processing unit;
the remote signaling processing unit is used for receiving a change remote signaling message or a full remote signaling message from the preposed data acquisition system, comparing uploading remote signaling data in the message with remote signaling data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data are changed;
the telemetering processing unit is used for receiving a change telemetering message or a periodic telemetering message from the preposed data acquisition system, comparing the uplink telemetering data in the message with telemetering data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
the remote control processing unit is used for receiving a remote control return message from the preposed data acquisition system, packaging the remote control return message into a message with a standard format according to a point table and then pushing the message to the Kafka bus;
the connection detection processing unit is used for periodically sending heartbeat messages to the preposed data acquisition system, pushing abnormal connection alarm messages when detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
According to some embodiments of the present invention, the unified access module includes a connection unit, a device management unit, and a message processing unit;
the connection unit is used for establishing a secure connection between the power distribution main station and the IoT platform;
the equipment management unit is used for providing data synchronization service for the power distribution master station and the IoT platform under the condition that equipment is changed;
the message processing unit is used for classifying and processing the message notifications according to message subjects, storing the processing results to the Redis real-time database according to a uniform format, and packaging the processing results into messages with the uniform format and pushing the messages to the power distribution master station through the Kafka bus.
According to some embodiments of the present invention, the adaptive access system compatible with the legacy power distribution terminal and the internet of things terminal further includes a secure access module, the secure access module is disposed between the IoT platform and the internet of things power distribution terminal, and the secure access module is configured to perform external identity authentication and key agreement, maintain authentication and key agreement parameters, perform secure encapsulation and decapsulation of uplink and downlink data, and maintain link information.
According to some embodiments of the present invention, the secure access module includes an IoT secure access unit deployed between an IoT access agent and a secure access gateway of the IoT platform and an AC secure access unit deployed at an AC controller front end of the IoT platform.
In a second aspect, the adaptive access method compatible with the conventional power distribution terminal and the internet of things according to the embodiment of the invention includes the steps:
providing a real-time data processing service, wherein the real-time data processing service is used for establishing connection with a preposed data acquisition system, processing an interactive message with the preposed data acquisition system, and interacting with a power distribution main station through a Kafka bus, and the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol;
providing a model mapping service, wherein the model mapping service is used for generating virtual terminal information with description characteristics by referring to an internet of things equipment model according to measuring point information of the traditional power distribution terminal, converting data uploaded by the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, packaging the data by referring to a power distribution internet of things terminal data structure when the data changes, and sending the packaged data to the Kafka bus;
and providing a uniform access service, wherein the uniform access service is used for interacting with an IoT platform, classifying and processing the messages pushed by the IoT platform, packaging the processing results into messages with uniform formats, and pushing the messages to the power distribution master station through the Kafka bus, and the IoT platform is connected with an IoT (Internet of things) protocol-based power distribution terminal.
The self-adaptive access method compatible with the traditional power distribution terminal and the Internet of things terminal provided by the embodiment of the invention at least has the following beneficial effects:
aiming at a traditional power distribution terminal based on an IEC protocol, mapping data into a data structure consistent with real-time data of an Internet of things power distribution terminal through a model mapping service, and interacting with a power distribution master station through a Kafka bus; to neotype thing allies oneself with power distribution terminal based on internet of things agreement, unified model on equipment model abstract foundation to through unified access data model and the data format of the unified different producer IoT platforms of service, shield its difference, realized traditional power distribution terminal and novel power distribution terminal's unified access, avoid adopting many sets of systems to carry out the operation and maintenance management.
According to some embodiments of the invention, the real-time data processing service comprises;
receiving a change remote signaling message or a full remote signaling message from the preposed data acquisition system, comparing the uploading remote signaling data in the message with the remote signaling data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
receiving a change telemetering message or a period telemetering message from the preposed data acquisition system, comparing the uploading telemetering data in the message with telemetering data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
receiving a remote control return message from the preposed data acquisition system, encapsulating the remote control return message into a message with a standard format according to a point table, and pushing the message to the Kafka bus;
and sending heartbeat messages to the preposed data acquisition system periodically, pushing abnormal connection alarm messages if detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
According to some embodiments of the invention, the unified access service comprises:
establishing a secure connection between the power distribution master station and the IoT platform;
providing data synchronization service for the power distribution master station and the IoT platform under the condition that equipment is changed;
and classifying the message notifications according to the message subjects, storing the processing results to the Redis real-time database according to a uniform format, and transmitting the processing results packaged into the message with the uniform format to the power distribution master station through the Kafka bus.
According to some embodiments of the present invention, the adaptive access method compatible with the conventional power distribution terminal and the internet of things terminal further comprises the steps of: and providing a secure access service, wherein the secure access service is deployed between the IoT platform and the IoT power distribution terminal, and the secure access service is used for providing external identity authentication and key agreement, maintaining authentication and key agreement parameters, performing secure encapsulation and decapsulation of uplink and downlink data, and maintaining link information service.
According to some embodiments of the invention, the providing of the secure access service comprises:
providing an IoT secure access service between an IoT access agent and a secure access gateway of the IoT platform;
providing AC secure access services at an AC controller front end of the IoT platform;
the IoT secure access service is used for executing the following steps:
providing external identity authentication and key agreement for the IoT platform, and maintaining authentication and key agreement parameter service;
the method comprises the steps of safely decapsulating first uplink data and sending the first uplink data to the IoT platform in a plaintext form;
the first downlink data are safely packaged, and the first downlink data are sent to the Internet of things power distribution terminal in a ciphertext form;
maintaining TCP link information for the secure access gateway and the IoT platform;
the AC secure access service is configured to perform the steps of:
providing external identity authentication and key agreement for the AC control, and maintaining authentication and key agreement parameter service;
carrying out safety decapsulation on second uplink data, and sending the second uplink data to the AC controller in a plaintext form;
the second downlink data is safely encapsulated;
and maintaining TCP link information of the secure access gateway and the AC controller.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic block diagram of an adaptive access system compatible with a conventional power distribution terminal and an internet of things terminal according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a security access module of the adaptive access system compatible with the conventional power distribution terminal and the internet of things terminal shown in fig. 1;
fig. 3 is a processing flow chart of an adaptive access method compatible with a conventional power distribution terminal and an internet of things terminal according to an embodiment of the present invention;
fig. 4 is a process flow diagram of a secure access service of the adaptive access system compatible with the conventional power distribution terminal and the internet of things terminal shown in fig. 3.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means one or more, "a plurality" means two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and "greater than", "lower than", "inner", etc. are understood as including the present number. If the description of "first", "second", etc. is used for the purpose of distinguishing technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of indicated technical features or to implicitly indicate the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, the terms "connected," "disposed," and the like are to be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the above-mentioned terms in the present invention by combining the detailed contents of the technical solutions.
Example 1
The embodiment discloses a self-adaptive access system compatible with a traditional power distribution terminal and an internet of things terminal, which is based on a micro-service architecture and provides a standard interface and a typical access configuration, and IoT platforms/services or different protocols of different manufacturers can be adapted according to the standard interface and uniformly accessed to a power distribution master station. On the flow of inserting, follow the leading data acquisition system among the traditional distribution automation master station system for traditional distribution terminal to traditional distribution terminal and provide data access service, through the data mapping of model mapping service with traditional distribution terminal become with the unanimous data structure of novel distribution terminal (promptly based on thing networking agreement's thing allies oneself with distribution terminal) real-time data, interact through Kafka bus and distribution master station, to novel distribution terminal, unify the model on the basis of equipment model is abstract, and insert data model and data format through the unified IoT platform that inserts different producers of service unified, thereby shield the difference of different IoT platforms.
It should be understood that a Distribution main Station, that is, a Distribution Automation main Station System (Master Station System of Distribution Automation), is a core part of the Distribution Automation System, is mainly used for implementing basic functions such as Distribution network data acquisition and monitoring and extended functions such as power grid topology analysis application, and has a function of performing information interaction with other application information systems, and provides technical support for Distribution network scheduling command and production management. The Kafka bus is an information bus realized based on an information publishing/subscribing mode, and has the characteristics of information persistence, high throughput, information partition support, distributed consumption, cross-platform application and real-time data processing and offline data processing, wherein the Kafka bus can access a relational database and a Redis real-time database so as to store and query data. The following discusses the adaptive access system compatible with the conventional power distribution terminal and the internet of things terminal in detail.
Referring to fig. 1, the adaptive access system compatible with the conventional power distribution terminal and the internet of things terminal of the present embodiment includes a real-time data processing module 100, a model mapping module 200, and a unified access module 300.
The real-time data processing module 100 is used as a client to establish connection with the preposed data acquisition system and is used for providing real-time data processing service, namely the real-time data processing module 100 is used for interacting with the preposed data acquisition system, processing an interaction message between the real-time data processing module and the preposed data acquisition system and interacting with a power distribution main station through a Kafka bus, wherein the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol;
the model mapping module 200 is configured to provide a model mapping service, that is, the model mapping module 200 is configured to generate virtual terminal information with description characteristics with reference to an internet of things device model according to measurement point information of a conventional power distribution terminal, convert uplink data of the conventional power distribution terminal into corresponding end device data when a Redis real-time database updates or stores the data, perform data encapsulation with reference to a power distribution internet of things terminal data structure when the data changes, and transmit the encapsulated data to the Kafka bus. Aiming at the traditional power distribution terminal, the ICE point table is converted into the equipment model with the equipment description characteristics through the model mapping service, the difference of the application of the power distribution terminal based on the IEC protocol and the Internet of things protocol in the power distribution main station is shielded, and the convenient access of the traditional power distribution terminal can be supported on the basis of not increasing hardware equipment. It should be understood that the point table is a term for an automated control system. In the automatic control system, variable points are simply called points, a point table is used for representing the use condition of each variable in the automatic control system, and the whole automatic control system is constructed on the basis of the description and the regulation of the variables in the point table. Typically, each variable will have a corresponding unique variable name, device address, register, and register address associated therewith.
The unified access module 300 is configured to interact with an IoT platform, and the unified access module 300 is configured to provide a unified access service, that is, the unified access module 300 is configured to classify messages pushed by the IoT platform, encapsulate a processing result into a message with a unified format, and push the message to a power distribution master station through a Kafka bus. It is worth understanding that the IoT platform is connected with an internet of things protocol-based internet of things power distribution terminal.
For a traditional power distribution terminal based on an IEC protocol, the embodiment maps data into a data structure consistent with real-time data of an Internet of things power distribution terminal through a model mapping module 200, and interacts with a power distribution master station through a Kafka bus; to neotype thing allies oneself with power distribution terminal based on internet of things agreement, unified model on equipment model abstract foundation to through unified access module 300 unified different producer IoT platforms insert data model and data format, shield its difference, realized traditional power distribution terminal and novel power distribution terminal's unified access, avoid adopting many sets of systems to carry out the operation and maintenance management.
In this embodiment, the real-time data processing module 100 includes a remote signaling processing unit, a remote sensing processing unit, a remote control processing unit, and a connection detection processing unit;
the remote signaling processing unit is used for receiving a change remote signaling message or a full remote signaling message from the preposed data acquisition system, comparing the uploading remote signaling data in the message with remote signaling data in the Redis real-time database, updating the Redis real-time database under the condition that the data are changed, and pushing a message to the Kafka bus;
the remote sensing processing unit is used for receiving a change remote sensing message or a periodic remote sensing message from the preposed data acquisition system, comparing the uploading remote sensing data in the message with the remote sensing data in the Redis real-time database, updating the Redis real-time database under the condition that the data is changed and pushing a message to the Kafka bus;
the remote control processing unit is used for receiving a remote control return message from the preposed data acquisition system, packaging the remote control return message into a message with a standard format according to the point table and then pushing the message to the Kafka bus;
the connection detection processing unit is used for sending heartbeat messages to the preposed data acquisition system in a fixed period, pushing abnormal connection alarm messages when detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
In this embodiment, the unified access module 300 includes a connection unit, a device management unit, and a message processing unit;
the connection unit is used for establishing a secure connection between the power distribution master station and the IoT platform, wherein the secure connection is used for providing services such as authentication, Token (Token) and subscription message and the like so as to ensure the secure and reliable communication of the two parties;
the device management unit is used for providing data synchronization service for the power distribution master station and the IoT platform under the condition that the devices are changed, so as to ensure the consistency and the synchronism of models of the two parties;
the message processing unit is used for classifying the message notification according to the message theme, storing the processing result to a Redis real-time database according to a uniform format and transmitting the message which encapsulates the processing result into the uniform format to the power distribution master station through a Kafka bus, wherein the message notification comprises at least one of registration/deletion/change of equipment, equipment data change and equipment command response.
Referring to fig. 1, the adaptive access system compatible with the conventional power distribution terminal and the internet of things terminal of this embodiment further includes a security access module 400, the security access module 400 is disposed between the IoT platform and the internet of things power distribution terminal, and the security access module 400 is configured to provide a security access service, that is, the security access module 400 is configured to perform external identity authentication and key agreement, maintain authentication and key agreement parameters, perform security encapsulation and decapsulation of uplink and downlink data, and maintain link information.
The security access module 400 provides an integrated authentication mechanism in combination with the security protection requirement of power distribution automation and the transmission characteristics of the internet of things protocol, and is beneficial to improving the security of data.
Specifically, referring to fig. 2, the secure Access module 400 includes an IoT secure Access unit 410 and an AC secure Access unit 420(AC, Wireless Access Point Controller), the IoT secure Access unit 410 is disposed between an IoT Access agent and a secure Access gateway of an IoT platform, and the AC secure Access unit 420 is disposed at a front end of an AC Controller of the IoT platform.
The IoT security access unit 410 is configured to provide an IoT security access service, that is, the IoT security access unit 410 is configured to provide external identity authentication and key agreement for an IoT platform, maintain authentication and key agreement parameter service, perform security decapsulation on first uplink data, send the first uplink data to the IoT platform in a plaintext form, perform security encapsulation on the first downlink data, send the first downlink data to the internet of things power distribution terminal in a ciphertext form, and maintain TCP link information of the security access gateway and the IoT platform.
The AC security access unit 420 is configured to provide an AC security access service, that is, the AC security access unit 420 is configured to provide external identity authentication and key agreement for AC control, maintain authentication and key agreement parameter service, perform security decapsulation on the second uplink data, send the second uplink data to the AC controller in a plaintext form, perform security encapsulation on the second downlink data, and maintain TCP link information of the security access gateway and the AC controller.
Example 2
Referring to fig. 3, the present embodiment discloses a self-adaptive access method compatible with a conventional power distribution terminal and an internet of things terminal, including the steps of:
s100, providing a real-time data processing service, wherein the real-time data processing service is used for establishing connection with a preposed data acquisition system, processing an interactive message with the preposed data acquisition system, and interacting with a power distribution main station through a Kafka bus, and the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol;
s200, providing a model mapping service, wherein the model mapping service is used for generating virtual terminal information with description characteristics by referring to an Internet of things equipment model according to measuring point information of a traditional power distribution terminal, converting data uploaded by the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, and carrying out data encapsulation by referring to a power distribution Internet of things terminal data structure when the data changes, and sending the encapsulated data to a Kafka bus;
s300, providing a uniform access service, wherein the uniform access service is used for interacting with an IoT platform, classifying and processing messages pushed by the IoT platform, packaging the processing results into messages with uniform formats and then pushing the messages to a power distribution master station through a Kafka bus, and the IoT platform is connected with an Internet of things protocol-based Internet of things power distribution terminal.
For a traditional power distribution terminal based on an IEC protocol, the embodiment maps data into a data structure consistent with real-time data of an Internet of things power distribution terminal through a model mapping service, and interacts with a power distribution master station through a Kafka bus; to neotype thing allies oneself with power distribution terminal based on internet of things agreement, unified model on equipment model abstract foundation to through unified access data model and the data format of the unified different producer IoT platforms of service, shield its difference, realized traditional power distribution terminal and novel power distribution terminal's unified access, avoid adopting many sets of systems to carry out the operation and maintenance management.
It should be noted that, in the description of the present embodiment, consecutive reference numerals of the method steps are provided for convenience of examination and understanding, and in combination with the overall technical solution of the present embodiment and the logical relationship between the steps, the implementation order between the steps is adjusted without affecting the technical effect achieved by the technical solution of the present embodiment. For avoiding redundancy, reference may be made to embodiment 1 for details not referred to in this embodiment.
In step S100, the real-time data processing service includes;
s310, receiving a change remote signaling message or a full remote signaling message from a preposed data acquisition system, comparing the uploading remote signaling data in the message with remote signaling data in a Redis real-time database, updating the Redis real-time database under the condition that the data are changed, and pushing a message to a Kafka bus;
s320, receiving a change telemetering message or a period telemetering message from the preposed data acquisition system, comparing the uploading telemetering data in the message with telemetering data in a Redis real-time database, updating the Redis real-time database under the condition that the data is changed, and pushing a message to a Kafka bus;
s330, receiving a remote control return message from the preposed data acquisition system, encapsulating the remote control return message into a message with a standard format according to the point table, and pushing the message to the Kafka bus;
s340, sending heartbeat messages to the front data acquisition system in a fixed period, pushing abnormal connection alarm messages when detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
In step S300, the unified access service includes:
s310, establishing a secure connection between the power distribution master station and the IoT platform, wherein the secure connection is to provide services such as authentication, Token (Token) and subscription message to ensure the secure and reliable communication of the two parties;
s320, providing data synchronization service for the power distribution master station and the IoT platform under the condition that equipment is changed, so as to ensure the consistency and the synchronism of models of the two parties;
s330, classifying the message notification according to the message theme, storing the processing result to a Redis real-time database according to a uniform format, and packaging the processing result into a message with the uniform format and pushing the message to the power distribution master station through a Kafka bus, wherein the message notification comprises at least one of registration/deletion/change of equipment, equipment data change and equipment command response.
Referring to fig. 1, the adaptive access method compatible with the conventional power distribution terminal and the internet of things terminal of the embodiment further includes the steps of:
s400, providing a security access service, wherein the security access service is deployed between an IoT platform and an IoT power distribution terminal, and the security access service is used for providing external identity authentication and key agreement, maintaining authentication and key agreement parameters, performing security encapsulation and decapsulation of uplink and downlink data, and maintaining link information service.
The safety access module provides an integrated authentication mechanism by combining the safety protection requirement of power distribution automation and the transmission characteristic of the Internet of things protocol, and is favorable for improving the safety of data.
Specifically, referring to fig. 4, S400, providing a secure access service includes:
s410, providing an IoT security access service between an IoT access agent and a security access gateway of an IoT platform;
s420, providing AC security access service at the front end of an AC controller of the IoT platform;
wherein, in step S410, the IoT secure access service is configured to perform the steps of:
s411, providing external identity authentication and key agreement for an IoT platform, and maintaining authentication and key agreement parameter service;
s412, performing security decapsulation on the first uplink data, and sending the first uplink data to an IoT platform in a plaintext form;
s413, safely packaging the first downlink data, and sending the first downlink data to the Internet of things power distribution terminal in a ciphertext form;
s414, maintaining TCP link information of the security access gateway and the IoT platform;
in step S420, the AC security access service is configured to perform the steps of:
s421, providing external identity authentication and key agreement for AC control, and maintaining authentication and key agreement parameter service;
s422, safely unsealing the second uplink data, and sending the second uplink data to the AC controller in a plaintext form;
s423, safely encapsulating the second downlink data;
and S424, maintaining the TCP link information of the secure access gateway and the AC controller.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An adaptive access system compatible with a traditional power distribution terminal and an internet of things terminal, comprising:
the real-time data processing module is used for interacting with a preposed data acquisition system, the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol, and the real-time data processing module is used for processing an interaction message between the real-time data processing module and the preposed data acquisition system and interacting with a power distribution master station through a Kafka bus;
the model mapping module is used for generating virtual terminal information with description characteristics by referring to an Internet of things equipment model according to the measuring point information of the traditional power distribution terminal, converting the uplink data of the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, packaging the data by referring to a power distribution Internet of things terminal data structure when the data changes, and sending the packaged data to the Kafka bus;
the system comprises a uniform access module and a power distribution master station, wherein the uniform access module is used for interacting with an IoT platform, the IoT platform is connected with an Internet of things protocol-based Internet of things power distribution terminal, and the uniform access module is used for classifying and processing messages pushed by the IoT platform, packaging the processing results into messages with uniform formats and then pushing the messages to the power distribution master station through the Kafka bus.
2. The adaptive access system compatible with the traditional power distribution terminal and the internet of things terminal as claimed in claim 1, wherein the real-time data processing module comprises a remote signaling processing unit, a remote measuring processing unit, a remote control processing unit and a connection detection processing unit;
the remote signaling processing unit is used for receiving a change remote signaling message or a full remote signaling message from the preposed data acquisition system, comparing uploading remote signaling data in the message with remote signaling data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data are changed;
the telemetering processing unit is used for receiving a change telemetering message or a periodic telemetering message from the preposed data acquisition system, comparing the uplink telemetering data in the message with telemetering data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
the remote control processing unit is used for receiving a remote control return message from the preposed data acquisition system, packaging the remote control return message into a message with a standard format according to a point table and then pushing the message to the Kafka bus;
the connection detection processing unit is used for periodically sending heartbeat messages to the preposed data acquisition system, pushing abnormal connection alarm messages when detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
3. The adaptive access system compatible with the traditional power distribution terminal and the internet of things terminal as claimed in claim 1, wherein the unified access module comprises a connection unit, an equipment management unit and a message processing unit;
the connection unit is used for establishing a secure connection between the power distribution main station and the IoT platform;
the equipment management unit is used for providing data synchronization service for the power distribution master station and the IoT platform under the condition that equipment is changed;
the message processing unit is used for classifying and processing the message notifications according to message subjects, storing the processing results to the Redis real-time database according to a uniform format, and packaging the processing results into messages with the uniform format and pushing the messages to the power distribution master station through the Kafka bus.
4. The adaptive access system according to any one of claims 1 to 3, further comprising a secure access module, disposed between the IoT platform and the IoT distribution terminal, for performing external identity authentication and key agreement, maintaining authentication and key agreement parameters, secure encapsulation and decapsulation of uplink and downlink data, and maintaining link information.
5. The adaptive access system compatible with legacy power distribution terminals and internet of things terminals of claim 4, wherein the security access module comprises an IoT security access unit and an AC security access unit, the IoT security access unit is deployed between an IoT access agent and a security access gateway of the IoT platform, and the AC security access unit is deployed at an AC controller front end of the IoT platform.
6. A self-adaptive access method compatible with a traditional power distribution terminal and an Internet of things terminal is characterized by comprising the following steps:
providing a real-time data processing service, wherein the real-time data processing service is used for establishing connection with a preposed data acquisition system, processing an interactive message with the preposed data acquisition system, and interacting with a power distribution main station through a Kafka bus, and the preposed data acquisition system is connected with a traditional power distribution terminal based on an IEC protocol;
providing a model mapping service, wherein the model mapping service is used for generating virtual terminal information with description characteristics by referring to an internet of things equipment model according to measuring point information of the traditional power distribution terminal, converting data uploaded by the traditional power distribution terminal into corresponding end equipment data when a Redis real-time database updates or stores the data, packaging the data by referring to a power distribution internet of things terminal data structure when the data changes, and sending the packaged data to the Kafka bus;
and providing a uniform access service, wherein the uniform access service is used for interacting with an IoT platform, classifying and processing the messages pushed by the IoT platform, packaging the processing results into messages with uniform formats, and pushing the messages to the power distribution master station through the Kafka bus, and the IoT platform is connected with an IoT (Internet of things) protocol-based power distribution terminal.
7. The adaptive access method compatible with the traditional power distribution terminal and the internet of things terminal as claimed in claim 6, wherein the real-time data processing service comprises;
receiving a change remote signaling message or a full remote signaling message from the preposed data acquisition system, comparing the uploading remote signaling data in the message with the remote signaling data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
receiving a change telemetering message or a period telemetering message from the preposed data acquisition system, comparing the uploading telemetering data in the message with telemetering data in the Redis real-time database, and updating the Redis real-time database and pushing a message to the Kafka bus under the condition that the data is changed;
receiving a remote control return message from the preposed data acquisition system, encapsulating the remote control return message into a message with a standard format according to a point table, and pushing the message to the Kafka bus;
and sending heartbeat messages to the preposed data acquisition system periodically, pushing abnormal connection alarm messages if detection messages are not received within preset sending times and heartbeat periods, and trying to reconnect.
8. The adaptive access method compatible with the traditional power distribution terminal and the internet of things terminal as claimed in claim 6, wherein the unified access service comprises:
establishing a secure connection between the power distribution master station and the IoT platform;
providing data synchronization service for the power distribution master station and the IoT platform under the condition that equipment is changed;
and classifying the message notifications according to the message subjects, storing the processing results to the Redis real-time database according to a uniform format, and transmitting the processing results packaged into the message with the uniform format to the power distribution master station through the Kafka bus.
9. The adaptive access method compatible with the conventional power distribution terminal and the internet of things terminal according to any one of claims 6 to 8, further comprising the steps of: and providing a secure access service, wherein the secure access service is deployed between the IoT platform and the IoT power distribution terminal, and the secure access service is used for providing external identity authentication and key agreement, maintaining authentication and key agreement parameters, performing secure encapsulation and decapsulation of uplink and downlink data, and maintaining link information service.
10. The adaptive access method compatible with the traditional power distribution terminal and the internet of things terminal as claimed in claim 9, wherein the providing of the secure access service comprises:
providing an IoT secure access service between an IoT access agent and a secure access gateway of the IoT platform;
providing AC secure access services at an AC controller front end of the IoT platform;
the IoT secure access service is used for executing the following steps:
providing external identity authentication and key agreement for the IoT platform, and maintaining authentication and key agreement parameter service;
the method comprises the steps of safely decapsulating first uplink data and sending the first uplink data to the IoT platform in a plaintext form;
the first downlink data are safely packaged, and the first downlink data are sent to the Internet of things power distribution terminal in a ciphertext form;
maintaining TCP link information for the secure access gateway and the IoT platform;
the AC secure access service is configured to perform the steps of:
providing external identity authentication and key agreement for the AC control, and maintaining authentication and key agreement parameter service;
carrying out safety decapsulation on second uplink data, and sending the second uplink data to the AC controller in a plaintext form;
the second downlink data is safely encapsulated;
and maintaining TCP link information of the secure access gateway and the AC controller.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114900433A (en) * | 2022-05-25 | 2022-08-12 | 珠海许继芝电网自动化有限公司 | Method, device and medium for unifying terminal data model and Internet of things data model |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929911A (en) * | 2012-09-10 | 2013-02-13 | 福建省电力有限公司 | All-in-one modeling method for transformer substation and dispatching master station |
| KR101579928B1 (en) * | 2014-07-31 | 2015-12-23 | 서경대학교 산학협력단 | METHOD AND RECORDING MEDIUM FOR COMPATIBILITY BETWEEN IEC61850 AND CoAP |
| CN111585958A (en) * | 2020-04-01 | 2020-08-25 | 西安电子科技大学 | Self-adaptive access method and system for heterogeneous equipment of Internet of things platform |
| CN112347157A (en) * | 2020-11-05 | 2021-02-09 | 珠海许继芝电网自动化有限公司 | Terminal data transmission method and system based on Internet of things |
| CN112702384A (en) * | 2020-11-25 | 2021-04-23 | 易源士创信息科技(南京)有限公司 | Device plug and play implementation method based on IEC 61850/IEC CIM standard model |
| CN113127914A (en) * | 2021-05-12 | 2021-07-16 | 国网山西省电力公司电力科学研究院 | Electric power Internet of things data security protection method |
-
2021
- 2021-10-18 CN CN202111212942.2A patent/CN113872988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929911A (en) * | 2012-09-10 | 2013-02-13 | 福建省电力有限公司 | All-in-one modeling method for transformer substation and dispatching master station |
| KR101579928B1 (en) * | 2014-07-31 | 2015-12-23 | 서경대학교 산학협력단 | METHOD AND RECORDING MEDIUM FOR COMPATIBILITY BETWEEN IEC61850 AND CoAP |
| CN111585958A (en) * | 2020-04-01 | 2020-08-25 | 西安电子科技大学 | Self-adaptive access method and system for heterogeneous equipment of Internet of things platform |
| CN112347157A (en) * | 2020-11-05 | 2021-02-09 | 珠海许继芝电网自动化有限公司 | Terminal data transmission method and system based on Internet of things |
| CN112702384A (en) * | 2020-11-25 | 2021-04-23 | 易源士创信息科技(南京)有限公司 | Device plug and play implementation method based on IEC 61850/IEC CIM standard model |
| CN113127914A (en) * | 2021-05-12 | 2021-07-16 | 国网山西省电力公司电力科学研究院 | Electric power Internet of things data security protection method |
Non-Patent Citations (1)
| Title |
|---|
| 陈艳，宋英华: "新型配电物联网后台系统架构设计与关键技术研究", 《供用电》, 28 February 2020 (2020-02-28), pages 1 - 5 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114900433A (en) * | 2022-05-25 | 2022-08-12 | 珠海许继芝电网自动化有限公司 | Method, device and medium for unifying terminal data model and Internet of things data model |
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