CN113054743A - Internet of things terminal data access system and method suitable for power distribution cloud master station - Google Patents
Internet of things terminal data access system and method suitable for power distribution cloud master station Download PDFInfo
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- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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Abstract
The invention discloses an Internet of things terminal data access system and method suitable for a power distribution cloud master station. The invention provides a solution for cooperative work of the Internet of things management platform and the power distribution cloud master station, greatly improves the access efficiency of the equipment at the edge/end of the power distribution cloud master station, reduces the workload of equipment access operation and maintenance, and ensures the smooth development of the construction of the power distribution Internet of things.
Description
Technical Field
The invention relates to an Internet of things terminal data access system and method suitable for a power distribution cloud master station, and belongs to the technical field of power distribution automation.
Background
With the continuous integration of the internet of things technology and the power grid, the power distribution internet of things becomes a new production consumption mode in the power distribution automation field, the generated mass data becomes new production data, and the comprehensive change of power distribution data access, management and control modes, operation modes and service systems is promoted.
The power distribution internet of things is a novel power network operation form generated by deep fusion of the traditional industrial technology and a new generation information communication technology represented by the internet of things. By endowing sensitive and accurate sensing capability and functions of interconnection, intercommunication and interoperation among the devices to the power distribution network equipment, a highly flexible and distributed intelligent cooperation power distribution network system based on software definition is constructed, comprehensive sensing, real-time transmission, effective processing and intelligent application of the power distribution network are achieved, and powerful support is provided for economic growth mode conversion, quality improvement of people's life and sustainable development of economy and society.
An internet of things management platform (IOT) in the power distribution internet of things realizes the functions of equipment management, application management, data acquisition and the like, and a power distribution cloud master station realizes the functions of power distribution network running state monitoring, decision analysis application and the like. The power distribution service data acquired by the Internet of things management platform need to support power distribution service application, and problems of model synchronization, data interaction and the like exist. How the thing allies oneself with the management platform and provides standard service for distribution cloud master station, how to realize lining up of distribution cloud master station equipment model and service data is the problem that needs to solve in urgent need of current distribution thing networking construction.
Disclosure of Invention
The invention aims to provide an Internet of things terminal data access system and method suitable for a power distribution cloud master station, and the communication of an equipment model and service data between an Internet of things management platform and the power distribution cloud master station is realized.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides an Internet of things terminal data access system suitable for a power distribution cloud master station, which is characterized in that an Internet of things access service is added in the power distribution cloud master station,
the Internet of things access service is used for synchronizing and mapping the equipment model between the Internet of things management platform and the power distribution cloud master station,
and the number of the first and second groups,
the system is used for acquiring business data pushed by the Internet of things management platform and converting the business data into information which can be identified by the power distribution cloud master station.
Further, the internet of things access service is specifically used for,
according to the equipment object model file, establishing an equipment type of corresponding equipment in the power distribution cloud master station; the equipment comprises edge equipment and end equipment;
establishing an edge device communication model according to the edge device standing book information; binding the side equipment communication model with a corresponding power equipment model in the power distribution cloud master station; calling an equipment interface created by the Internet of things management platform, and informing the Internet of things management platform to create the same side equipment communication model;
subscribing the adding theme of the sub-equipment of the Internet of things management platform, and creating a communication model of the sub-equipment according to the uploaded adding sub-equipment message; and calling the IOT management platform to create a sub-device interface and informing the IOT management platform to create the same sub-device communication model.
Further, the internet of things access service is specifically used for,
acquiring service data pushed by an Internet of things management platform, and forwarding the service data to a theme of a type corresponding to a power distribution cloud master station message bus;
subscribing data from different topics, and extracting key attributes of business data based on an object model file and a message structure;
searching the primary and secondary model information corresponding to the business data according to the key attribute of the business data, and converting the business data into a measurement object according to a measurement dictionary table;
and sending the analyzed measurement object to a theme corresponding to the message bus of the power distribution cloud master station according to the measurement type of the power distribution service.
The invention also provides an internet of things terminal data access method suitable for the power distribution cloud master station, which comprises the following steps:
the synchronization and the mapping of the equipment model between the Internet of things management platform and the power distribution cloud master station are carried out,
and the number of the first and second groups,
and acquiring service data pushed by the Internet of things management platform, and converting the service data into information which can be identified by the power distribution cloud master station.
Further, the synchronization and mapping of the device model between the internet of things management platform and the power distribution cloud master station include:
importing an equipment object model file to an Internet of things access service, and establishing an equipment type in a power distribution cloud master station based on the object model file; the device types comprise an edge device type and an end device type;
calling a northbound API (application programming interface) of the Internet of things management platform, informing the Internet of things management platform to create the same equipment type, storing an equipment type ID (identity) returned by the Internet of things management platform, and establishing a mapping relation with the equipment type ID of the power distribution cloud master station;
establishing a secondary communication model of the side equipment on the IOT service based on the type of the side equipment, and associating the secondary communication model with a primary power equipment model corresponding to the power distribution cloud master station;
calling a northbound equipment creating interface of the Internet of things management platform, informing the Internet of things management platform to create the same secondary communication model of the side equipment, storing the ID of the side equipment returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the ID of the side equipment of the power distribution cloud master station;
acquiring a sub-equipment adding message reported by an Internet of things management platform;
extracting the sub-device type and the sub-device SN number information in the message according to the sub-device adding message to create a secondary communication model of the end device, and associating the secondary communication model with a primary power device model corresponding to the power distribution cloud master station;
and calling a northbound equipment creation interface of the Internet of things management platform, informing the Internet of things management platform to create the same end equipment secondary communication model, storing an end equipment ID returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the end equipment ID of the power distribution cloud master station.
Further, the method also comprises the following steps:
the method comprises the steps that a theme is added to sub-equipment subscribed to an IOT management platform, when the sub-equipment is accessed after the side equipment is powered on and accessed into the IOT management platform, the side equipment sends a sub-equipment adding message to the IOT management platform, and after the IOT management platform receives the message, the IOT management platform reports the sub-equipment adding message to a power distribution cloud master station through the sub-equipment adding theme of an IOT management platform message bus.
Further, the internet of things access service is configured in the power distribution cloud master station.
Further, acquiring business data pushed by the internet of things management platform, and converting the business data into information that can be identified by the power distribution cloud master station, includes:
acquiring service data pushed by the internet of things management platform from an information pushing interface of the internet of things management platform, and forwarding the service data to a theme of a type corresponding to a power distribution cloud master station information bus according to the type of the information pushing interface;
subscribing data from different topics, and extracting key attributes of the business data based on the object model file and the message structure;
searching the primary and secondary model information corresponding to the business data according to the key attribute of the business data, and converting the business data into a measurement object according to a measurement dictionary table;
and sending the analyzed measurement object to a theme corresponding to the message bus of the power distribution cloud master station in a high-concurrency mode according to the measurement type of the power distribution service, so that the power distribution cloud master station can use the measurement object for consumption.
Furthermore, the method also comprises the following steps of,
and the Internet of things management platform pushes different types of business data to the Internet of things access service through the rule engine.
Further, the message push interface types include: service messages, event messages and working condition messages; one message push interface type corresponds to one or more topics.
The invention achieves the following beneficial effects:
according to the invention, the IOT access service is added at the side of the distribution cloud master station, so that model synchronization of IOT edge and end equipment between the IOT management platform and the distribution cloud master station is realized, and business data reported by the IOT management platform is received and converted into information which can be identified by the distribution cloud master station, so that a solution is provided for cooperative work of the IOT management platform and the distribution cloud master station, the access efficiency of the IOT edge/end equipment is greatly improved, the equipment access operation and maintenance workload is reduced, and the smooth development of the construction of the distribution IOT is ensured.
Drawings
FIG. 1 is a power distribution Internet of things system architecture diagram;
FIG. 2 is a flow of device model synchronization in an embodiment of the present invention;
fig. 3 is a service data synchronization flow in the embodiment of the present invention.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The power distribution internet of things is a new power communication network operation form generated by deeply fusing the traditional power industry technology and the internet of things technology, and information interaction between a distribution transformer terminal and low-voltage equipment is realized based on a 4G/5G information communication technology and an internet of things communication protocol. Referring to fig. 1, the power distribution internet of things system comprises a power distribution cloud master station, an internet of things management platform, a side device and an end device.
The power distribution cloud master station is transformed based on a cloud computing technology, a power distribution network system with high flexibility and distributed intelligent cooperation is constructed, and comprehensive sensing, data fusion and intelligent application of a power distribution network are achieved.
The Internet of things management platform realizes access management of intelligent equipment such as edge Internet of things agents, has functions of unified data model management, APP application management and the like, and provides a standardized and highly reliable data service interface for a service system such as a power distribution cloud master station.
The edge equipment is an edge computing node in the power distribution Internet of things, takes an edge cloud and a cloud gateway as main ground forms, takes edge cloud cooperation and edge intelligence as core characteristics, and is a container for data aggregation, computation and application integration.
The end equipment, namely a sensing layer and an execution layer in the power distribution internet of things, is responsible for providing basic data such as the running state, the equipment state, the environmental state and other auxiliary information of the power distribution network to the side equipment or the cloud master station, and is a terminal for executing a decision command or performing local control.
The invention provides an Internet of things terminal data access system suitable for a power distribution cloud master station, and the Internet of things access service is added in the power distribution cloud master station to realize the butt joint of the power distribution cloud master station and an Internet of things management platform.
The internet of things access service is specifically used for,
according to the equipment object model file, establishing the equipment type of the equipment at the power distribution cloud master station; the devices herein include edge devices and end devices.
Establishing an edge device communication model according to the edge device standing book information; binding the side equipment communication model with a corresponding power equipment model in the power distribution cloud master station; and calling an equipment interface on the creation side of the Internet of things management platform to inform the Internet of things management platform to create the same communication model.
Subscribing the adding theme of the sub-equipment of the Internet of things management platform, and creating a communication model of the sub-equipment according to the uploaded adding sub-equipment message; calling the IOT management platform to create a sub-device interface and informing the IOT management platform to create the same communication model;
and acquiring service data pushed by the Internet of things management platform, and converting the service data into information which can be identified by the power distribution cloud master station.
In the embodiment of the invention, the physical connection management platform classifies the equipment reporting information: there are service messages, add (sub) device messages and event messages. The sub-device adding theme is one of a plurality of message types defined by the Internet of things management platform. Generally, a side device adds a record manually at a master station side, a side device automatically discovers a related end device under a side device through a side-end interaction protocol, and then reports an adding sub-device message through an adding sub-device message theme.
The invention further provides an internet of things terminal data access method suitable for the power distribution cloud master station, and the power distribution cloud master station is in butt joint with the internet of things management platform.
Referring to fig. 2, the embodiment of the present invention implements synchronization and mapping of edge/end device types and communication models between an internet of things management platform and a power distribution cloud master station, specifically as follows:
importing an equipment object model file to an Internet of things access service, and establishing an equipment type in a power distribution cloud master station based on the object model file; the device types comprise an edge device type and an end device type;
calling a northbound API (application programming interface) of the Internet of things management platform, informing the Internet of things management platform to create the same equipment type, storing an equipment type ID (identity) returned by the Internet of things management platform, and establishing a mapping relation with the equipment type ID of the power distribution cloud master station; the north API interface of the management platform of the internet of things is the requirement defined by the technical specification and is a uniform interface for the interaction of the uplink service system of the management platform of the internet of things.
Establishing a secondary communication model of the side equipment on the IOT service based on the type of the side equipment, and associating the secondary communication model with a primary power equipment model corresponding to the power distribution cloud master station;
calling a northbound equipment creating interface of the Internet of things management platform, informing the Internet of things management platform to create the same secondary communication model of the side equipment, storing the ID of the side equipment returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the ID of the side equipment of the power distribution cloud master station;
subscribing a sub-device adding theme to the IOT management platform, when the side device is powered on and accessed into the IOT management platform and the sub-device is accessed below the side device, sending a sub-device adding message to the IOT management platform by the side device, and after receiving the message, reporting the sub-device adding message to the distribution cloud master station through the sub-device adding theme of an IOT management platform message bus by the IOT management platform;
extracting information such as the type of the sub-equipment, the SN number of the sub-equipment and the like in the message to create a secondary communication model of the end equipment according to the information of the added sub-equipment, and associating the secondary communication model with a primary power equipment model corresponding to the power distribution cloud master station;
and calling a northbound equipment creation interface of the Internet of things management platform, informing the Internet of things management platform to create the same end equipment secondary communication model, storing an end equipment ID returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the end equipment ID of the power distribution cloud master station.
In this embodiment, the internet of things access service is configured in the power distribution cloud master station.
Referring to fig. 3, the embodiment of the invention realizes that the distribution cloud master station receives service data of the internet of things management platform and converts the service data into information that can be identified by the distribution cloud master station, which is specifically as follows:
acquiring service data reported by equipment from a message push interface of an internet of things management platform, and forwarding the service data to a theme of a corresponding type of a message bus of a power distribution cloud master station according to the type of the message push interface; wherein, the message push interface types include: service messages, event messages and working condition messages; one type corresponds to one or more topics;
respectively subscribing data from different topics based on a streaming computing framework, and extracting key attributes of business data based on an object model file and a message structure;
searching the primary and secondary model information corresponding to the business data according to the key attribute of the business data, and converting the business data into a measurement object according to a measurement dictionary table;
and sending the successfully analyzed measurement object to a theme corresponding to the message bus of the power distribution cloud master station in a high-concurrency mode according to the measurement type of the power distribution service, so that the measurement object is used by the power distribution cloud master station for consumption. The measurement types of the power distribution service include, for example: telemetry, and SOE events, etc.
In this embodiment, the internet of things management platform pushes different types of business data to the internet of things access service through the rule engine.
In this embodiment, the internet of things access service includes a plurality of data analysis modules, the data analysis modules of different types process different types of service data, each data analysis module subscribes the service data to be processed from different topics of the message bus, and the service data is analyzed into information that can be recognized by the power distribution cloud master station under a streaming computing framework according to the information of the physical model and the power model of the device to which the service data belongs.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. An Internet of things terminal data access system suitable for a power distribution cloud master station is characterized in that an Internet of things access service is added in the power distribution cloud master station,
the Internet of things access service is used for synchronizing and mapping the equipment model between the Internet of things management platform and the power distribution cloud master station,
and the number of the first and second groups,
the system is used for acquiring business data pushed by the Internet of things management platform and converting the business data into information which can be identified by the power distribution cloud master station.
2. The system of claim 1, wherein the IOT service is specifically configured to,
according to the equipment object model file, establishing an equipment type of corresponding equipment in the power distribution cloud master station; the equipment comprises edge equipment and end equipment;
establishing an edge device communication model according to the edge device standing book information; binding the side equipment communication model with a corresponding power equipment model in the power distribution cloud master station; calling an equipment interface created by the Internet of things management platform, and informing the Internet of things management platform to create the same side equipment communication model;
subscribing the adding theme of the sub-equipment of the Internet of things management platform, and creating a communication model of the sub-equipment according to the uploaded adding sub-equipment message; and calling the IOT management platform to create a sub-device interface and informing the IOT management platform to create the same sub-device communication model.
3. The system of claim 1, wherein the IOT service is specifically configured to,
acquiring service data pushed by an Internet of things management platform, and forwarding the service data to a theme of a type corresponding to a power distribution cloud master station message bus;
subscribing data from different topics, and extracting key attributes of business data based on an object model file and a message structure;
searching the primary and secondary model information corresponding to the business data according to the key attribute of the business data, and converting the business data into a measurement object according to a measurement dictionary table;
and sending the analyzed measurement object to a theme corresponding to the message bus of the power distribution cloud master station according to the measurement type of the power distribution service.
4. The utility model provides an thing allies oneself with terminal data access method suitable for distribution cloud master station which characterized in that includes:
the synchronization and the mapping of the equipment model between the Internet of things management platform and the power distribution cloud master station are carried out,
and the number of the first and second groups,
and acquiring service data pushed by the Internet of things management platform, and converting the service data into information which can be identified by the power distribution cloud master station.
5. The method for accessing the data of the internet of things terminal applicable to the power distribution cloud master station of claim 4, wherein the synchronizing and mapping of the device model between the internet of things management platform and the power distribution cloud master station comprises:
importing an equipment object model file to an Internet of things access service, and establishing an equipment type in a power distribution cloud master station based on the object model file; the device types comprise an edge device type and an end device type;
calling a northbound API (application programming interface) of the Internet of things management platform, informing the Internet of things management platform to create the same equipment type, storing an equipment type ID (identity) returned by the Internet of things management platform, and establishing a mapping relation with the equipment type ID of the power distribution cloud master station;
establishing a secondary communication model of the side equipment on the IOT service based on the type of the side equipment, and associating the secondary communication model with a primary power equipment model corresponding to the power distribution cloud master station;
calling a northbound equipment creating interface of the Internet of things management platform, informing the Internet of things management platform to create the same secondary communication model of the side equipment, storing the ID of the side equipment returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the ID of the side equipment of the power distribution cloud master station;
acquiring a sub-equipment adding message reported by an Internet of things management platform;
extracting the sub-device type and the sub-device SN number information in the message according to the sub-device adding message to create a secondary communication model of the end device, and associating the secondary communication model with a primary power device model corresponding to the power distribution cloud master station;
and calling a northbound equipment creation interface of the Internet of things management platform, informing the Internet of things management platform to create the same end equipment secondary communication model, storing an end equipment ID returned by the interface after the Internet of things management platform is successfully created, and establishing mapping with the end equipment ID of the power distribution cloud master station.
6. The method for accessing the data of the internet of things terminal suitable for the power distribution cloud master station according to claim 5, further comprising:
the method comprises the steps that a theme is added to sub-equipment subscribed to an IOT management platform, when the sub-equipment is accessed after the side equipment is powered on and accessed into the IOT management platform, the side equipment sends a sub-equipment adding message to the IOT management platform, and after the IOT management platform receives the message, the IOT management platform reports the sub-equipment adding message to a power distribution cloud master station through the sub-equipment adding theme of an IOT management platform message bus.
7. The method according to claim 5, wherein the IOT access service is configured in the distribution cloud master station.
8. The method for accessing the data of the internet of things terminal applicable to the power distribution cloud master station according to claim 4, wherein the step of obtaining the service data pushed by the internet of things management platform and converting the service data into information recognizable by the power distribution cloud master station comprises the steps of:
acquiring service data pushed by the internet of things management platform from an information pushing interface of the internet of things management platform, and forwarding the service data to a theme of a type corresponding to a power distribution cloud master station information bus according to the type of the information pushing interface;
subscribing data from different topics, and extracting key attributes of the business data based on the object model file and the message structure;
searching the primary and secondary model information corresponding to the business data according to the key attribute of the business data, and converting the business data into a measurement object according to a measurement dictionary table;
and sending the analyzed measurement object to a theme corresponding to the message bus of the power distribution cloud master station in a high-concurrency mode according to the measurement type of the power distribution service, so that the power distribution cloud master station can use the measurement object for consumption.
9. The method for accessing the data of the internet of things terminal of the power distribution cloud master station according to claim 8, further comprising,
and the Internet of things management platform pushes different types of business data to the Internet of things access service through the rule engine.
10. The method of claim 8, wherein the message push interface types include: service messages, event messages and working condition messages; one message push interface type corresponds to one or more topics.
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