CN111835826A - Cloud edge cooperative linkage system suitable for smart internet of things system - Google Patents
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Abstract
The invention discloses a cloud-side cooperative linkage system suitable for an intelligent Internet of things system, which comprises an uplink MQTT communication module and is used for realizing interaction between the cloud-side cooperative linkage system and a platform-side MQTT message; the downlink communication module is used for realizing MQTT message interaction between the cloud edge cooperative linkage system and the internal data center of the edge Internet of things agent device; the message body mapping module realizes information interaction with each APP inside the edge Internet of things agent device through an MQTT protocol inside the edge Internet of things agent device; and the management function module is used for realizing the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform. The invention can realize application management cooperation, service management cooperation, security strategy cooperation and resource cooperation between the edge Internet of things agent device and the Internet of things management platform.
Description
Technical Field
The invention relates to a cloud-side cooperative linkage system, in particular to a system suitable for linkage between an Internet of things management platform and an edge Internet of things agent in an intelligent Internet of things system.
Background
With the continuous promotion of the construction of the intelligent internet of things system of the national power grid company, the construction of the management platform of the internet of things by companies of various provinces is gradually improved, and various original service data gradually start to be accessed into the management platform of the internet of things. The edge internet of things agent device is used as edge side equipment in an intelligent internet of things system, on one hand, the edge internet of things agent device bears the calculation function below a part of platforms, and on the other hand, the functions of collecting, analyzing and calculating the data collected by southward sensing equipment are achieved. The method can shield the difference of the underlying network, break through the traditional longitudinal closed mode of the internet of things, establish a junction for a field communication network and a wide area transmission network, assist in realizing effective power grid situation perception, and provide effective support for improving the standardized management capability of the power grid.
At present, the communication between the internet of things devices mostly adopts a lightweight message protocol MQTT protocol with low overhead and low broadband occupation. The system can provide real-time and reliable message service for the connected remote equipment with extremely little code and bandwidth, is suitable for the remote equipment with low hardware performance and the environment with poor network condition, and therefore, the communication protocol based on the publish/subscribe mode is also adopted in the construction of the intelligent internet of things system. In the communication between the Internet of things management platform and the edge Internet of things agent device, a national network company uniformly defines a message body structure of an MQTT protocol, and communication protocols among APPs in the edge Internet of things agent device are defined by developers. Therefore, the structure of the internal protocol of the edge internet of things agent device and the communication protocol of the internet of things management platform is completed, and the cloud edge cooperative management and control are realized in the construction of the intelligent internet of things system.
In prior art patent applications: patent number CN201910529408.0 provides a data interaction system and method for a ubiquitous power internet of things intelligent terminal, including: the intelligent terminal, the data center installed on the intelligent terminal, and the message bus for subscribing and publishing messages between the intelligent terminal and the data center; the intelligent terminal is used for deploying a micro application module for realizing the data mapping carrier function of the intelligent terminal node; the micro application module is used for publishing the acquired data to a message bus and initiating a subscription requirement to the message bus; message bus: the data processing system is used for receiving data and subscription requirements acquired by the micro application module, publishing the received data to a data center and sending the data required by the subscriber to the subscriber; the data center comprises: for receiving messages in real time from the message bus, and storing data based on the messages, and for providing the subscriber with the required data. Data interaction decoupling between intelligent terminal micro applications is realized, a unified data center is provided, and data full-service communication is realized. The above scheme is only a data interaction scheme between the functional modules in the edge internet of things agent device, and is not designed for data interaction between the edge internet of things agent device and the internet of things management platform, and further does not relate to functions such as application management cooperation, business management cooperation, security policy cooperation and resource cooperation, and cloud-side cooperative management and control cannot be accurately and efficiently completed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cloud-side cooperative linkage system which is suitable for an intelligent Internet of things system, can realize the decoupling of the interactive data of an Internet of things management platform and an edge Internet of things agent and the internal data of the edge Internet of things agent, and can complete the accurate interaction of the business information and the control information of the edge Internet of things agent and the Internet of things management platform.
A cloud-side cooperative linkage system suitable for a smart Internet of things system comprises an uplink MQTT communication module, and is used for realizing interaction of a cloud-side cooperative linkage system and a platform-side MQTT message; the downlink communication module is used for realizing MQTT message interaction between the cloud edge cooperative linkage system and the internal data center of the edge Internet of things agent device; the message body mapping module is used for realizing information interaction with each APP inside the edge Internet of things agent device through an MQTT protocol inside the edge Internet of things agent device, completing message body analysis inside the cloud-side cooperative linkage system, converting the message body into a communication protocol which is in line with national network standards and can be accurately received by the Internet of things management platform, and realizing accurate interaction of service information and control information between the edge Internet of things agent device and the Internet of things management platform; and the management function module is used for realizing the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding, deleting and reporting the state updating event of the sub-equipment, reporting the equipment data and responding the equipment command, realizing the functions of issuing the command to the edge Internet of things agent device and accurately forwarding the command to the corresponding sub-equipment or the internal APP by the Internet of things management platform, finishing the data acquisition function and further realizing various required operations.
The message body mapping module comprises an instruction pool, an instruction structure body module, a message analysis module and a message generation module, wherein the instruction pool and the instruction structure body module are used for storing all instruction information of two MQTT messages for the message analysis module and the message generation module to call; the message analysis module is used for realizing the analysis and related field storage of the MQTT message and the MQTT message of the Internet of things management platform in the edge Internet of things agent device subscribed by the MQTT communication module by calling the instruction pool and the instruction structure body module; and the message generation module receives the message analysis module output information through the call instruction pool and the instruction structure module to carry out message recombination so as to realize the conversion of the MQTT message and the MQTT message of the IOT management platform in the edge IOT proxy device.
The management function module has the following functions: the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding and deleting the sub-equipment, reporting a state updating event, reporting equipment data and responding to an equipment command are realized; the method has the advantages that the command of the IOT management platform to the edge IOT agent device is issued and accurately forwarded to the corresponding sub-device or the internal APP, the data acquisition function is completed, and further the functions of service control, time synchronization service, reset, parameter query, configuration query, parameter activation and the like are realized; the functions of uniform service arrangement, service priority classification and active service data reporting are realized; realizing the safety strategy coordination of flow cleaning, flow analysis, flow blocking and the like; and the resource coordination functions of storage, calculation, network and the like are realized.
In summary, compared with the prior art, the invention has the following advantages:
the invention can realize the registration and login of the edge Internet of things agent device to the Internet of things management platform, complete the addition and deletion of the sub-equipment, data report, state report of the relevant theme release, respond to various themes with control instructions released by the Internet of things management platform, and complete the analysis and format mapping of the theme content, analyze the theme released by the platform side, map the theme into the theme on the message bus in the device and forward the theme to the relevant APP. In a similar way, the related theme published by the internal app can be mapped to a theme ratio meeting the requirement of the internet of things management platform and published on a message bus between the internet of things management platform and the edge internet of things agent, so that application management cooperation, business management cooperation, security policy cooperation and resource cooperation between the edge internet of things agent device and the internet of things management platform are realized.
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Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a detailed view of the functional block diagram.
Detailed Description
The present invention will be described in more detail with reference to examples.
Example 1
A cloud-side cooperative linkage system suitable for a smart Internet of things system comprises an uplink MQTT communication module, and is used for realizing interaction between the cloud-side cooperative linkage system and a platform-side MQTT message; the downlink communication module is used for realizing MQTT message interaction between the cloud edge cooperative linkage system and the internal data center of the edge Internet of things agent device; the message body mapping module is used for realizing information interaction with each APP inside the edge Internet of things agent device through an MQTT protocol inside the edge Internet of things agent device, completing message body analysis inside the cloud-side cooperative linkage system, converting the message body into a communication protocol which is in line with national network standards and can be accurately received by the Internet of things management platform, and realizing accurate interaction of service information and control information between the edge Internet of things agent device and the Internet of things management platform; and the management function module is used for realizing the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding, deleting and reporting the state updating event of the sub-equipment, reporting the equipment data and responding the equipment command, realizing the functions of issuing the command to the edge Internet of things agent device and accurately forwarding the command to the corresponding sub-equipment or the internal APP by the Internet of things management platform, finishing the data acquisition function and further realizing various required operations. The message body mapping module comprises an instruction pool, an instruction structure body module, a message analysis module and a message generation module, wherein the instruction pool and the instruction structure body module are used for storing all instruction information of two MQTT messages for the message analysis module and the message generation module to call; the message analysis module is used for realizing the analysis and related field storage of the MQTT message and the MQTT message of the Internet of things management platform in the edge Internet of things agent device subscribed by the MQTT communication module by calling the instruction pool and the instruction structure body module; and the message generation module receives the message analysis module output information through the call instruction pool and the instruction structure module to carry out message recombination so as to realize the conversion of the MQTT message and the MQTT message of the IOT management platform in the edge IOT proxy device. The management function module has the following functions: the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding and deleting the sub-equipment, reporting a state updating event, reporting equipment data and responding to an equipment command are realized; the method has the advantages that the command of the IOT management platform to the edge IOT agent device is issued and accurately forwarded to the corresponding sub-device or the internal APP, the data acquisition function is completed, and further the functions of service control, time synchronization service, reset, parameter query, configuration query, parameter activation and the like are realized; the functions of uniform service arrangement, service priority classification and active service data reporting are realized; realizing the safety strategy coordination of flow cleaning, flow analysis, flow blocking and the like; and the resource coordination functions of storage, calculation, network and the like are realized.
The operation of the system is described in detail below:
(1) registration, status update, deletion of child devices
The utility model provides a cloud limit collaborative linkage system suitable for wisdom thing allies oneself with system, is the relevant APP of marginal thing allies oneself with agent device internal service and is done the sub-equipment, monitors the business APP after the line, generates APP registration relation inquiry message when management function module, on issuing this message to inside MQTT Broker through down MQTT communication module, and then inquires current business APP registration relation to data center, waits for data center response message.
The management function module receives the APP registration relation query reply message through the downlink MQTT communication module, generates an APP online information message, issues the APP online information message to the internal MQTT Broker through the downlink MQTT communication module, informs the message body mapping module to convert the APP online information message into an adding sub-device (namely, sub-device registration) message meeting the platform side requirement, and issues a theme containing the sub-device registration message to the platform side MQTT Broker through the uplink MQTT communication module.
Then, the management function module registers the relation message by the APP every 5 minutes, checks whether the current registered business APP operates online, generates a heartbeat maintenance message if the APP operates online, converts the heartbeat maintenance message into an update sub-device state (heartbeat maintenance) message through the message body mapping module, and delivers the update sub-device state (heartbeat maintenance) message to the MQTT Broker at the platform side through the uplink MQTT communication module; and if the registration relation does not exist, generating a business app offline message, converting the business app offline message into a message for deleting the sub-equipment through a message body mapping module, and delivering the message to an uplink MQTT communication module to be issued to the MQTT Broker on the platform side.
(2) Active reporting of business data
The management function module controls the downlink MQTT communication module to regularly issue a real-time data query message to an internal MQTT Broker, regularly queries the data of the current service APP real-time library from the data center, and waits for the response of the data center.
After the data center returns the current business APP real-time data, the management function module controls the message body mapping module to convert the real-time business data into a data reporting message format defined by the platform side, and the business data is issued to the platform side MQTT Broker through the uplink MQTT communication module.
(3) Service data calling and reading
The uplink MQTT communication module receives a service data recall instruction from the platform side, the management function module controls the message body mapping module to analyze an MQTT message containing the recall instruction to generate a corresponding real-time library query message, the downlink MQTT communication module issues the database query message generated by the message body mapping module to an internal MQTT Broker, queries the service data recalled and tested by the platform side from the data center, and waits for the response of the data center.
The downlink MQTT communication module subscribes a recall test data response message of the data center, the management function module controls the message body mapping module to convert the recall test data response message returned by the data center into a recall test command and send the response message, and an MQTT theme carrying the recall test command and send the response message is issued to an MQTT Broker at the platform side through the uplink MQTT communication module to finish one-time data recall.
(4) Business APP control
The uplink MQTT communication module receives a business APP control instruction from a platform side, the management function module controls the message body mapping module to analyze an MQTT message containing the business APP control instruction and determine a receiving target APP of the instruction, an internal MQTT theme and a message are generated by taking the APP mark as a key field, and the downlink MQTT communication module issues the MQTT theme containing the business APP control instruction message to an internal MQTT Broker to wait for a corresponding business APP response.
The business APP responds to the control instruction sent by the platform side after receiving the control instruction, an execution result is generated into an MQTT message and is returned to the system, after a downlink MQTT communication module receives a business APP instruction execution result feedback message, the management function module controls the message body mapping module to analyze the message and convert the message into a platform side control instruction response message, and the platform side control instruction response message is issued to a platform side MQTT Broker through uplink MQTT, so that one-time business APP control is completed.
The parts not described in the present embodiment are the same as those in the prior art.
Claims (3)
1. The utility model provides a cloud limit collaborative linkage system suitable for wisdom thing allies oneself with system which characterized in that: the cloud-side collaborative linkage system comprises an uplink MQTT communication module, and realizes interaction of a cloud-side collaborative linkage system and a platform-side MQTT message; the downlink communication module is used for realizing MQTT message interaction between the cloud edge cooperative linkage system and the internal data center of the edge Internet of things agent device; the message body mapping module is used for realizing information interaction with each APP inside the edge Internet of things agent device through an MQTT protocol inside the edge Internet of things agent device, completing message body analysis inside the cloud-side cooperative linkage system, converting the message body into a communication protocol which is in line with national network standards and can be accurately received by the Internet of things management platform, and realizing accurate interaction of service information and control information between the edge Internet of things agent device and the Internet of things management platform; and the management function module is used for realizing the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding, deleting and reporting the state updating event of the sub-equipment, reporting the equipment data and responding the equipment command, realizing the functions of issuing the command to the edge Internet of things agent device and accurately forwarding the command to the corresponding sub-equipment or the internal APP by the Internet of things management platform, finishing the data acquisition function and further realizing various required operations.
2. The cloud-edge collaborative linkage system for the smart internet of things system according to claim 1, wherein: the message body mapping module comprises an instruction pool, an instruction structure body module, a message analysis module and a message generation module, wherein the instruction pool and the instruction structure body module are used for storing all instruction information of two MQTT messages for the message analysis module and the message generation module to call; the message analysis module is used for realizing the analysis and related field storage of the MQTT message and the MQTT message of the Internet of things management platform in the edge Internet of things agent device subscribed by the MQTT communication module by calling the instruction pool and the instruction structure body module; and the message generation module receives the message analysis module output information through the call instruction pool and the instruction structure module to carry out message recombination so as to realize the conversion of the MQTT message and the MQTT message of the IOT management platform in the edge IOT proxy device.
3. The cloud-edge collaborative linkage system for the smart internet of things system according to claim 2, wherein: the management function module has the following functions: the functions of accessing and registering the edge Internet of things agent device to the equipment of the Internet of things management platform, adding and deleting the sub-equipment, reporting a state updating event, reporting equipment data and responding to an equipment command are realized; the method has the advantages that the command of the IOT management platform to the edge IOT agent device is issued and accurately forwarded to the corresponding sub-device or the internal APP, the data acquisition function is completed, and further the functions of service control, time synchronization service, reset, parameter query, configuration query, parameter activation and the like are realized; the functions of uniform service arrangement, service priority classification and active service data reporting are realized; realizing the safety strategy coordination of flow cleaning, flow analysis, flow blocking and the like; and the resource coordination functions of storage, calculation, network and the like are realized.
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