Method and system for building and standardizing information model of internet of things of transformer substation

Abstract

The invention discloses a substation Internet of Things information model construction and standardization method and system, and the method comprises the steps: obtaining the information of auxiliary equipment deployed in a substation, carrying out the primary classification of the auxiliary equipment based on the information of the auxiliary equipment, and presetting the equipment descriptor of any type of auxiliary equipment for secondary classification; establishing an information model of the auxiliary equipment after secondary classification; and based on the target coverage range of the transformer substation, integrating the information model to establish a transformer substation information model system so as to describe the key information of the auxiliary equipment. Through multiple links of equipment classification, information model construction and standardized protocol research, seamless joint and effective integration of data of each link of the transformer substation are ensured, the reliability and stability of the whole system are improved, and the compatibility problem between equipment of different manufacturers is solved by formulating a unified communication protocol and data format standard, so that the system is more reliable and reliable. And interoperability of equipment and seamless transmission of data are realized.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power Internet of Things, and in particular to a method and system for constructing and standardizing an information model of an Internet of Things for a substation. Background Art

[0002] With the continuous advancement of power system modernization, substations, as important nodes of the power grid, have a direct impact on the stable operation and efficient management of the entire power system due to their intelligence and automation levels. The traditional substation management model can no longer meet the needs of modern power grids for real-time monitoring, rapid response, and high integration. Although the existing gateway data fusion system supports hot-swap connection through standardized plug-in interfaces, this modular design has poor flexibility and scalability when facing different substation sizes and demand changes. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above existing problems, the present invention is proposed.

[0005] Therefore, the present invention provides a method and system for constructing and standardizing a substation Internet of Things information model to solve the problems mentioned in the background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] In a first aspect, an embodiment of the present invention provides a method for constructing and standardizing an information model of an Internet of Things for a substation, comprising: obtaining information of auxiliary devices deployed in a substation, classifying the auxiliary devices once based on the auxiliary device information, and presetting a device descriptor of any category of auxiliary devices for secondary classification;

[0008] Establishing an information model of the secondary classified auxiliary equipment;

[0009] Based on the target coverage of the substation, the information models are integrated to establish a substation information model system to achieve the description of key information of auxiliary equipment.

[0010] As a preferred solution of the substation Internet of Things information model construction and standardization method described in the present invention, it also includes: integrating the information model to establish a substation information model system, using the power Internet of Things device communication protocol to standardize the auxiliary equipment protocol information system.

[0011] As a preferred scheme of the method for constructing and standardizing the substation Internet of Things information model described in the present invention, before establishing the substation information model system, it also includes: obtaining the current power system and substation monitoring requirements, identifying the target coverage range of the substation; determining the communication protocols and data formats of different categories of auxiliary equipment to integrate the information model.

[0012] As a preferred solution of the substation Internet of Things information model construction and standardization method described in the present invention, wherein: classifying the auxiliary equipment based on the auxiliary equipment information includes: classifying the auxiliary equipment according to its function and role.

[0013] As a preferred scheme for the substation Internet of Things information model construction and standardization method described in the present invention, wherein: the device descriptor of any category of auxiliary equipment is preset for secondary classification, including: the device descriptor includes subcategories and attributes of each type of auxiliary equipment; the auxiliary equipment after function and role classification is secondary classified according to subcategories and attributes to obtain the operating characteristics and monitoring parameters of the auxiliary equipment.

[0014] As a preferred scheme of the substation Internet of Things information model construction and standardization method described in the present invention, the information model of the auxiliary equipment after the secondary classification is established, which includes at least: static attributes of equipment model and specifications, dynamic states of switch status and temperature, and fault mode.

[0015] As a preferred solution of the substation Internet of Things information model construction and standardization method described in the present invention, it also includes: presetting the metadata model of the auxiliary equipment to obtain the key performance indicators and service status of the equipment;

[0016] For auxiliary devices that support network communication, establish a network interface model, including protocol type, port number, and transmission speed information;

[0017] For devices with control functions, define control command models to send correct instructions to complete remote control.

[0018] In a second aspect, the present invention provides a substation Internet of Things information model construction and standardization system, including:

[0019] A data classification module, used for obtaining information of auxiliary equipment deployed in the substation, classifying the auxiliary equipment once based on the auxiliary equipment information, and presetting a device descriptor of any category of auxiliary equipment for secondary classification;

[0020] A model building module, used to build an information model of the auxiliary equipment after the secondary classification;

[0021] The model integration module is used to integrate the information models to establish a substation information model system based on the target coverage of the substation, so as to realize the description of key information of auxiliary equipment.

[0022] In a third aspect, the present invention provides an electronic device, comprising:

[0023] Memory and processor;

[0024] The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the substation Internet of Things information model construction and standardization method are implemented.

[0025] In a fourth aspect, the present invention provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the steps of the substation Internet of Things information model construction and standardization method.

[0026] Compared with the prior art, the present invention has the following beneficial effects: the present invention ensures the seamless connection and effective integration of data in various links of the substation through multiple links from equipment classification, information model construction to standardized protocol research, improves the reliability and stability of the overall system, and solves the compatibility issues between equipment from different manufacturers by formulating unified communication protocols and data format standards, thus achieving equipment interoperability and seamless data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0028] Figure 1 A method flow chart of a method and system for constructing and standardizing a substation Internet of Things information model according to an embodiment of the present invention. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] The present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0033] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integral connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Example 1

[0036] Reference Figure 1 , is an embodiment of the present invention, which provides a method for constructing and standardizing a substation Internet of Things information model, including:

[0037] S100: Acquire information of auxiliary equipment deployed in the substation, classify the auxiliary equipment based on the auxiliary equipment information, and pre-set device descriptors of any category of auxiliary equipment for secondary classification;

[0038] In an alternative embodiment, the auxiliary device may be a sensor.

[0039] In an embodiment of the present application, before establishing the substation information model system, it also includes: obtaining the current power system and substation monitoring requirements, identifying the target coverage of the substation; determining the communication protocols and data formats of different categories of auxiliary equipment to integrate the information model.

[0040] It should be noted that this embodiment integrates the information model by determining the communication protocols and data formats of different categories of auxiliary devices in order to determine the interoperability and scalability requirements that the information model must meet, and further determine the information model construction principles, including reusability, modularity, abstraction, consistency and documentation.

[0041] In the embodiment of the present application, classifying the auxiliary devices based on the auxiliary device information includes: classifying the auxiliary devices according to their functions and roles.

[0042] In an embodiment of the present application, the device descriptor of any category of auxiliary equipment is preset for secondary classification, including: the device descriptor includes subcategories and attributes of each type of auxiliary equipment; the auxiliary equipment after function and role classification is secondary classified according to subcategories and attributes to obtain the operating characteristics and monitoring parameters of the auxiliary equipment.

[0043] S200: Establishing an information model of the secondary classified auxiliary equipment;

[0044] In the embodiment of the present application, the information model of the auxiliary equipment after secondary classification at least includes: static attributes of equipment model and specification, dynamic state of switch state and temperature, and failure mode.

[0045] S300: Based on the target coverage of the substation, the information model is integrated to establish a substation information model system to achieve the description of key information of auxiliary equipment.

[0046] In an embodiment of the present application, it also includes: integrating information models to establish a substation information model system, using power Internet of Things device communication protocols to standardize auxiliary equipment protocol information systems.

[0047] In an optional embodiment, based on the standardization research of the communication protocol of the power Internet of Things equipment, a unified substation Internet of Things information model is constructed; the standardization of the substation Internet of Things sensor protocol information body is realized to ensure the consistency and replaceability of the sensor data; and the substation Internet of Things sensor access verification is realized through the MQTT-based substation intelligent Internet of Things communication module.

[0048] In an optional embodiment, the data characteristics and usage scenarios of the sensors used in the substation are analyzed to determine the parameters and indicators that need to be standardized; a unified data format and encoding rules are designed to facilitate the integration and intercommunication of different sensor data; a naming specification and unit system for sensor data are formulated; and a standardized sensor data registration and release mechanism is established.

[0049] In the embodiment of the present application, it also includes: presetting a metadata model of the auxiliary device to obtain key performance indicators and service status of the device;

[0050] For auxiliary devices that support network communication, establish a network interface model, including protocol type, port number, and transmission speed information;

[0051] For devices with control functions, define control command models to send correct instructions to complete remote control.

[0052] In an optional embodiment, a method for standardizing an information model of an Internet of Things for a substation includes: a main control module responsible for coordinating and managing the operation of the entire system, including task scheduling and resource allocation;

[0053] Public information middleware is used to provide common data interfaces and services for data exchange and integration between different modules;

[0054] The general API module is used to provide a unified application program interface for external systems to interact and integrate with this system;

[0055] The middleware management module is responsible for the configuration, monitoring and maintenance management of the middleware;

[0056] The message management module is responsible for handling the message delivery and routing functions in the system;

[0057] The functional middleware module is used to provide specific data processing and analysis functions according to specific business needs, including real-time data analysis, historical data query, and alarm processing.

[0058] Furthermore, the main control module includes:

[0059] The task scheduling submodule is responsible for receiving task requests from different sources and sorting them according to priority and predetermined rules; dispatching tasks to corresponding processing modules or services; providing task monitoring functions and tracking the execution of tasks in real time;

[0060] The resource management submodule is used to dynamically monitor and allocate resources within the system and visualize resource usage;

[0061] The fault detection and recovery submodule is used to monitor the health status of each service in the system in real time and record logs; once a fault or abnormality is detected, the administrator is notified immediately and an attempt is made to automatically switch to the backup system; and key data and configurations are backed up regularly.

[0062] Furthermore, the public information middleware includes:

[0063] The data integration submodule is used to collect information from various data sources and format and standardize it; it supports multiple data formats and database systems, including XML, JSON, and SQL;

[0064] The data security submodule is used to encrypt stored and transmitted data to protect sensitive information from being leaked; implement access control mechanisms to ensure that only authorized users can access relevant data; conduct regular security audits to assess data security and respond to possible threats;

[0065] The data service submodule is used to provide data query and retrieval interfaces; realize real-time updating and synchronization of data; and support the access and data processing of big data analysis tools.

[0066] Furthermore, the common API modules include:

[0067] The interface definition submodule is used to design RESTful API interfaces; it provides detailed API documentation, including usage examples and FAQs; it supports version management to ensure backward compatibility of old API versions when the API is updated;

[0068] The request processing submodule is used to verify the validity of API requests, including identity authentication and parameter verification; parse API requests and transfer them to the corresponding backend service for processing; perform flow control and throttling on API requests to prevent service overload;

[0069] The response generation submodule is used to generate standardized API responses based on the processing results; it supports response output in different formats.

[0070] Furthermore, the middleware management module includes:

[0071] The configuration management submodule is used to provide centralized management of middleware configurations, support dynamic configuration modification and real-time effectiveness; support configuration file backup and recovery to ensure configuration traceability;

[0072] The performance monitoring submodule is used to collect the performance indicators of middleware and applications in real time, including response time and throughput; set performance warning thresholds and trigger alarms when the thresholds are reached; provide historical performance data reports and support query and analysis by time period;

[0073] The software update and maintenance submodule is used to provide an automated update tool that supports one-click update to the latest version; a system backup is performed before the update to ensure that it can be restored to the state before the update.

[0074] Furthermore, the message management module includes:

[0075] The message queue management submodule is used to provide high-performance message queue services and support asynchronous message processing; realize message persistence to ensure that messages are not lost when the system fails; support message priority setting and delayed delivery functions;

[0076] The message routing submodule is used to automatically deliver messages to the correct destination according to preset rules;

[0077] The message security submodule is used to realize the encrypted transmission and storage of messages to prevent the message content from being intercepted; implement access control to limit illegal access to the message system; and regularly perform security vulnerability scans and penetration tests on the message system.

[0078] Furthermore, the functional middleware modules include: data processing procedures and algorithms;

[0079] The data analysis submodule is used to provide real-time data analysis and processing functions, including data aggregation and statistical analysis; it supports connecting to external data analysis tools and platforms, allowing users to customize

[0080] The alarm processing submodule is used to identify potential anomalies and risk events based on monitoring data; implement customizable alarm strategies, and provide follow-up tracking of alarm events and feedback on processing results;

[0081] The automated execution submodule is used to implement event-based automated operations and reduce manual intervention; it supports simple script writing and execution to automate specific tasks; it provides a scheduled task function and supports periodic job scheduling.

[0082] It should be noted that the present invention covers multiple links from equipment classification, information model construction to standardized protocol research, etc.; it ensures the seamless connection and effective integration of data in various links of the substation, and improves the reliability and stability of the overall system. Further construct a unified substation Internet of Things information model; by formulating unified communication protocols and data format standards, the compatibility issues between equipment from different manufacturers are solved, and the interoperability of equipment and seamless data transmission are achieved. The functional middleware module of the present invention provides functions such as data analysis, alarm processing and automated execution, so that the substation can achieve intelligent monitoring and management; these functions not only improve the automation level of the substation, but also provide powerful decision-making support tools for operation and maintenance personnel.

[0083] Example 2

[0084] The above embodiment is a schematic scheme of a method for constructing and standardizing an information model of an Internet of Things for a substation. It should be noted that the technical scheme of the system for constructing and standardizing an information model of an Internet of Things for a substation and the technical scheme of the above-mentioned method for constructing and standardizing an information model of an Internet of Things for a substation belong to the same concept. For details not described in detail in the technical scheme of the system for constructing and standardizing an information model of an Internet of Things for a substation in this embodiment, please refer to the description of the technical scheme of the above-mentioned method for constructing and standardizing an information model of an Internet of Things for a substation.

[0085] In this embodiment, a substation Internet of Things information model construction and standardization system includes:

[0086] A data classification module is used to obtain information about auxiliary equipment deployed in the substation, classify the auxiliary equipment based on the auxiliary equipment information, and pre-set device descriptors of any category of auxiliary equipment for secondary classification;

[0087] A model building module is used to build an information model of auxiliary equipment after secondary classification;

[0088] The model integration module is used to integrate information models based on the target coverage of the substation to establish a substation information model system and realize the description of key information of auxiliary equipment.

[0089] This embodiment also provides an electronic device, which is applicable to the case of the substation Internet of Things information model construction and standardization method, including:

[0090] Memory and processor; the memory is used to store computer executable instructions, and the processor is used to execute computer executable instructions to implement the method for constructing and standardizing the substation Internet of Things information model as proposed in the above embodiment.

[0091] This embodiment also provides a storage medium on which a computer program is stored. When the program is executed by a processor, the method for constructing and standardizing the substation Internet of Things information model as proposed in the above embodiment is implemented.

[0092] The storage medium proposed in this embodiment and the method for implementing the construction and standardization of the substation Internet of Things information model proposed in the above embodiment belong to the same inventive concept. The technical details not fully described in this embodiment can be referred to the above embodiment, and this embodiment has the same beneficial effects as the above embodiment.

[0093] Through the above description of the implementation methods, the technicians in the relevant field can clearly understand that the present invention can be implemented by means of software and necessary general hardware, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, read-only memory (ReadOnly, Memory, ROM), random access memory (RandomAccess Memory, RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform the methods of various embodiments of the present invention.

[0094] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A method for constructing and standardizing an information model of an Internet of Things for a substation, characterized in that: include: Acquire information of auxiliary equipment deployed in the substation, classify the auxiliary equipment based on the auxiliary equipment information, and pre-set device descriptors of any category of auxiliary equipment for secondary classification; Establishing an information model of the secondary classified auxiliary equipment; Based on the target coverage of the substation, the information models are integrated to establish a substation information model system to achieve the description of key information of auxiliary equipment.

2. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 1, characterized in that: Also includes: The information model is integrated to establish a substation information model system, using the power Internet of Things device communication protocol to standardize the auxiliary equipment protocol information system.

3. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 2, characterized in that: Before establishing the substation information model system, the steps include: obtaining the current power system and substation monitoring requirements, identifying the target coverage of the substation; and determining the communication protocols and data formats of different types of auxiliary equipment to integrate the information model.

4. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 3, characterized in that: Classifying the auxiliary devices based on the auxiliary device information includes: classifying the auxiliary devices according to their functions and roles.

5. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 4, characterized in that: The device descriptors of any category of auxiliary equipment are preset for secondary classification, including: the device descriptors include subcategories and attributes of each type of auxiliary equipment; the auxiliary equipment classified by function and role is secondary classified according to subcategories and attributes to obtain the operating characteristics and monitoring parameters of the auxiliary equipment.

6. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 5, characterized in that: The information model of the auxiliary equipment after the secondary classification is established includes at least: static attributes of equipment model and specification, dynamic states of switch state and temperature, and failure mode.

7. The method for constructing and standardizing the information model of the Internet of Things for substations according to claim 6, characterized in that: Also includes: Presetting a metadata model of the auxiliary device to obtain key performance indicators and service status of the device; For auxiliary devices that support network communication, establish a network interface model, including protocol type, port number, and transmission speed information; For devices with control functions, define control command models to send correct instructions to complete remote control.

8. A substation Internet of Things information model construction and standardization system, characterized in that: include: A data classification module, used for obtaining information of auxiliary equipment deployed in the substation, classifying the auxiliary equipment once based on the auxiliary equipment information, and presetting a device descriptor of any category of auxiliary equipment for secondary classification; A model building module, used to build an information model of the auxiliary equipment after the secondary classification; The model integration module is used to integrate the information models to establish a substation information model system based on the target coverage of the substation, so as to realize the description of key information of auxiliary equipment.

9. An electronic device, comprising: Memory and processor; The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the substation Internet of Things information model construction and standardization method described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the steps of the substation Internet of Things information model construction and standardization method described in any one of claims 1 to 7.

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