CN113676400A - Cloud gateway system for Internet of things access of environment-friendly data acquisition equipment - Google Patents
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Abstract
The invention discloses a cloud gateway system for Internet of things access of environment-friendly data acquisition equipment, which comprises a data interaction module, an equipment management module and a service registration module which are sequentially connected; the data interaction module is connected with an external pipe platform MQS cluster and is used for receiving, forwarding and processing data; the device management module is connected with an identification system of an external Internet of things management platform and is used for managing HJ212 devices accessed to the cloud gateway system; the service registration module is connected with external data acquisition equipment, provides a cluster maintenance function, registers service, records the running state and provides service node running state information. The access capability of the internet of things management platform is improved, the power internet of things access system is perfected, the IO blocking bottleneck is reduced, and the system stability and maintainability are improved; meanwhile, the use and maintenance cost of hardware resources is reduced, the MQTT protocol and the HJ212 protocol can be converted, and the method is high in reliability and good in practicability.
Description
Technical Field
The invention belongs to the technical field of computer networks, and particularly relates to a cloud gateway system for Internet of things access of environment-friendly data acquisition equipment.
Background
With the development of economic technology and the improvement of living standard of people, the construction of the power internet of things has been widely developed by power grid enterprises. The power grid system establishes an internet of things management platform in companies of various provinces in a unified manner, and is used for accessing electric quantity data acquisition equipment of the whole province. At present, an internet of things management platform of a power grid is widely applied to user power utilization data acquisition. With the continuous development of environmental protection services, environmental protection monitoring is realized through power data analysis, and the method is an innovative and effective environmental protection monitoring means. Environmental protection monitoring is realized through electric power data analysis, and the first task is naturally to gather environmental protection data such as the power consumption of key blowdown enterprise.
At present, an MQTT data acquisition protocol is selected for an electric power Internet of things management platform and is used as a platform Internet of things access technical specification; the environmental protection department selects the HJ212 protocol as the technical specification of environmental protection data acquisition. Therefore, it can be seen that due to the difference of data protocols, the data acquisition device of the environmental protection data cannot be directly connected to the power internet of things management platform, so that the technical application of environmental protection monitoring through power data analysis is seriously hindered.
Disclosure of Invention
The invention aims to provide a cloud gateway system for the Internet of things of environment-friendly data acquisition equipment, which can convert an MQTT protocol and an HJ212 protocol, and has high reliability and good practicability.
The cloud gateway system for the Internet of things of the environment-friendly data acquisition equipment comprises a data interaction module, an equipment management module and a service registration module; the data interaction module and the equipment management module are both connected with the service registration module; the data interaction module is connected with an external pipe platform MQS cluster and is used for receiving, forwarding and processing data; the device management module is connected with an identification system of an external Internet of things management platform and is used for managing HJ212 devices accessed to the cloud gateway system; the service registration module is connected with external data acquisition equipment and used for providing a cluster maintenance function, providing registration service for each service node, recording the running state of each service node and providing service node running state information for the task scheduler.
The data interaction module comprises a data receiving layer, a data processing layer and a data transmission layer; the data receiving layer, the data processing layer and the data transmission layer are connected in sequence; the data receiving layer is used for establishing connection with the HJ212 equipment and receiving data requests of all the HJ212 equipment; the data processing layer is used for processing data, receiving and sending data and scheduling tasks; the data transmission layer is used for establishing data interactive link with the electric power internet of things management platform and pushing data to the electric power internet of things management platform.
The data receiving layer comprises a Netty service end; and the network service is provided for the HJ212 equipment by opening a service port of the Netty service end, so that the service request for receiving the HJ212 is connected with the heartbeat.
The data processing layer comprises a data transceiver, a data processor and a task scheduler; the data transceiver, the data processor and the task scheduler are connected in sequence; the data transceiver is used for receiving data reported by the HJ212 equipment and carrying out data verification and protocol analysis; meanwhile, the system is also used for analyzing the instruction sent by the Internet of things management platform and then sending the analyzed instruction to the HJ212 equipment; in addition, the authority of the equipment number is checked, and whether the uploaded data is legal or not is judged: if the data is legal data, releasing the data, if the data is illegal data, forbidding reporting, and adding the equipment number of the corresponding HJ212 equipment into a blacklist; the data processor is used for converting data of the HJ212 protocol into JSON format data which can be received by the internet of things management platform according to the specification of the MQTT protocol and converting an operation instruction issued by the internet of things management platform into an instruction of the HJ212 protocol format; and the task scheduler is used for performing task scheduling on the operation instruction issued by the Internet of things management platform and determining the maximum processing load quantity of each service node in the cluster according to the weight of the cloud gateway service node.
The data transmission layer comprises an MQTT client, and the MQTT client is used as a client of the power internet of things management platform; the MQTT client establishes data interaction link with the electric power internet of things management platform by establishing MQTT protocol connection and pushes data to the electric power internet of things management platform.
The data transmission layer is connected with the data processing layer by adopting a message bus; the message bus is a distributed message queue constructed based on a Redis cache system List and is used for data asynchronous communication between a data transmission layer and a data processing layer in the data interaction module; all instructions issued by the internet of things management platform to the equipment are firstly written into the message bus through the data transmission layer, then the data processing module of the data processing layer consumes the instructions from the message bus, and the instructions are issued to the HJ212 equipment through the data transceiver to be executed.
The device management module comprises a control layer, a service layer and a data layer; the control layer, the service layer and the data layer are connected in sequence; the functions of the control layer comprise equipment management and real-time monitoring; the functions of the service layer comprise instruction issuing and equipment registration; the data layer is used for storing data.
The functions of the control layer comprise equipment management and real-time monitoring, specifically, the equipment management is used for providing an interactive interface for HJ212 equipment management, and a user manages information data of the HJ212 through the equipment management function; the real-time monitoring module is used for analyzing the data obtained by the data interaction module, judging the running state of the equipment, and reporting the equipment state information of the HJ212 to the IOT management platform, so that the real-time state of all the equipment accessed to the cloud gateway system is monitored.
The functions of the service layer comprise instruction issuing and equipment registration, specifically, the instruction issuing function is used for providing a visual interface, and a user can issue an equipment management instruction to the equipment on the graphical interface; the equipment registration is used for providing a visual interface and completing the equipment registration on the Internet of things management platform.
The data layer is used for storing data, and specifically comprises a relational database Mysql and a cache database Redis; the relational database Mysql is used for storing equipment archive information, log information and enterprise information; the cache database Redis is used for caching the equipment information and improving the response speed of the system through caching.
The service registration module is constructed based on the nacos server, and has the functions of providing cluster maintenance, providing registration service for each service node, recording the running state of each service node and providing service node running state information for the task scheduler; the service node is automatically connected to the service registration module after being started, then the heartbeat is periodically sent to the service registration module, and when the service registration is successful, the service node automatically becomes one of the cluster nodes of the cloud gateway system; each node starts to have the same weight, and when only one node exists, the node processes instructions and other tasks of all devices; when a plurality of HJ212 devices accessed to the service node exist, if the processing speed of a single node cannot meet the requirement, cluster expansion is carried out according to the number of the HJ212 devices; and the task scheduler automatically determines the number of devices processed by each node according to the number and the weight of the current node in a set period, so that dynamic load balancing is realized.
The cloud gateway system for the Internet of things access of the environment-friendly data acquisition equipment solves the problem that the HJ212 equipment cannot be accessed to the electric power Internet of things management platform, improves the access capability of the Internet of things management platform, and perfects an electric power Internet of things access system; asynchronous decoupling between modules is realized by applying a message bus, so that IO (input/output) blocking bottleneck is reduced; the dynamic management of the cluster and the load balance of the service nodes are realized, and the stability and maintainability of the system are improved; meanwhile, the cloud gateway system greatly reduces the use and maintenance cost of hardware resources and solves the problems of limited access and concurrency, large implementation workload, high operation and maintenance cost and the like of the edge proxy equipment; the system can convert the MQTT protocol and the HJ212 protocol, and has high reliability and good practicability.
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FIG. 1 is a functional block diagram of the system of the present invention.
Detailed Description
Fig. 1 is a schematic diagram of functional modules of the system of the present invention: the cloud gateway system for the Internet of things of the environment-friendly data acquisition equipment comprises a data interaction module, an equipment management module and a service registration module; the data interaction module and the equipment management module are both connected with the service registration module; the data interaction module is connected with an external pipe platform MQS cluster and is used for receiving, forwarding and processing data; the device management module is connected with an identification system of an external Internet of things management platform and is used for managing HJ212 devices accessed to the cloud gateway system; the service registration module is connected with external data acquisition equipment and used for providing a cluster maintenance function, providing registration service for each service node, recording the running state of each service node and providing service node running state information for the task scheduler.
In specific implementation, the data interaction module comprises a data receiving layer, a data processing layer and a data transmission layer; the data receiving layer, the data processing layer and the data transmission layer are connected in sequence; the data receiving layer is used for establishing connection with the HJ212 equipment and receiving data requests of all the HJ212 equipment; the data processing layer is used for processing data, receiving and sending data and scheduling tasks; the data transmission layer is used for establishing data interactive link with the electric power internet of things management platform and pushing data to the electric power internet of things management platform. The data receiving layer comprises a Netty service end; and the network service is provided for the HJ212 equipment by opening a service port of the Netty service end, so that the service request for receiving the HJ212 is connected with the heartbeat. The data processing layer comprises a data transceiver, a data processor and a task scheduler; the data transceiver, the data processor and the task scheduler are connected in sequence; the data transceiver is used for receiving data reported by the HJ212 equipment and carrying out data verification and protocol analysis; meanwhile, the system is also used for analyzing the instruction sent by the Internet of things management platform and then sending the analyzed instruction to the HJ212 equipment; in addition, the authority of the equipment number is checked, and whether the uploaded data is legal or not is judged: if the data is legal data, releasing the data, if the data is illegal data, forbidding reporting, and adding the equipment number of the corresponding HJ212 equipment into a blacklist; the data processor is used for converting data of the HJ212 protocol into JSON format data which can be received by the internet of things management platform according to the specification of the MQTT protocol and converting an operation instruction issued by the internet of things management platform into an instruction of the HJ212 protocol format; and the task scheduler is used for performing task scheduling on the operation instruction issued by the Internet of things management platform and determining the maximum processing load quantity of each service node in the cluster according to the weight of the cloud gateway service node. The data transmission layer comprises an MQTT client, and the MQTT client is used as a client of the power internet of things management platform; the MQTT client establishes data interaction link with the electric power internet of things management platform by establishing MQTT protocol connection and pushes data to the electric power internet of things management platform.
In specific implementation, the data transmission layer is connected with the data processing layer by adopting a message bus; the message bus is used for data asynchronous communication between a data transmission layer and a data processing layer in the data interaction module, decoupling of internal components of the data interaction module is achieved, synchronous IO resources do not need to be waited, waiting delay caused by data synchronous IO blocking is avoided, and stability of each component is improved. Based on the strong concurrency capability of Redis, the cloud gateway system has strong data concurrency processing capability. All instructions issued by the internet of things management platform to the equipment are firstly written into the message bus through the data transmission layer, then the data processing module of the data processing layer consumes the instructions from the message bus, and the instructions are issued to the HJ212 equipment through the data transceiver to be executed.
The equipment management module comprises a control layer, a service layer and a data layer; the control layer, the service layer and the data layer are connected in sequence; the functions of the control layer comprise equipment management and real-time monitoring; the functions of the service layer comprise instruction issuing and equipment registration; the data layer is used for storing data. The functions of the control layer comprise equipment management and real-time monitoring, specifically, the equipment management is used for providing an interactive interface for HJ212 equipment management, and a user manages information data of the HJ212 through the equipment management function; the real-time monitoring module is used for analyzing the data obtained by the data interaction module, judging the running state of the equipment, and reporting the equipment state information of the HJ212 to the IOT management platform, so that the real-time state of all the equipment accessed to the cloud gateway system is monitored. The functions of the service layer comprise instruction issuing and equipment registration, specifically, the instruction issuing function is used for providing a visual interface, and a user can issue an equipment management instruction to the equipment on the graphical interface; the equipment registration is used for providing a visual interface and completing the equipment registration on the Internet of things management platform. The data layer is used for storing data, and specifically comprises a relational database Mysql and a cache database Redis; the relational database Mysql is used for storing equipment archive information, log information and enterprise information; the cache database Redis is used for caching the equipment information and improving the response speed of the system through caching.
The service registration module is constructed based on the nacos server, and has the functions of providing cluster maintenance, providing registration service for each service node, recording the running state of each service node and providing service node running state information for the task scheduler; the service node is automatically connected to the service registration module after being started, then the heartbeat is periodically sent to the service registration module, and when the service registration is successful, the service node automatically becomes one of the cluster nodes of the cloud gateway system; each node starts to have the same weight, and when only one node exists, the node processes instructions and other tasks of all devices; when a plurality of HJ212 devices accessed to the service node exist, if the processing speed of a single node cannot meet the requirement, cluster expansion is carried out according to the number of the HJ212 devices; and the task scheduler automatically determines the number of devices processed by each node according to the number and the weight of the current node in a set period, so that dynamic load balancing is realized.
In the above system, the following process is further included:
the equipment access process comprises the following steps:
before accessing the HJ212 device, the device registration is required to be performed on the internet of things management platform through the cloud gateway system, and after the corresponding device number is obtained, the HJ212 device can successfully access the cloud gateway system and the internet of things management platform through the device number;
a data acquisition process:
aiming at the cloud gateway system provided by the invention, two data acquisition modes of data timing reporting and real-time data acquisition can be realized, and the data interaction process comprises the following steps:
and (3) reporting data at regular time: the daily batch data is reported regularly, the HJ212 equipment directly sends the data to a cloud gateway, and the cloud gateway asynchronously pushes the data to a management pipeline platform after receiving the data;
acquiring real-time data: if a user has a real-time data acquisition requirement, a service interface provided by the cloud gateway is called first, and the cloud gateway asynchronously sends a request testing instruction to the management pipeline platform. Secondly, the management pipeline platform sends a data recall instruction to a theme of the designated equipment of the internet of things management platform through the MQTT, and meanwhile, the cloud gateway obtains the recall instruction from the corresponding theme in real time and analyzes and processes the instruction into a corresponding instruction of the HJ212 protocol. And finally, the cloud gateway issues the instruction to the HJ212 equipment for execution, and data are collected in real time. And the HJ212 equipment returns real-time data to the Internet of things management platform according to the data timing reporting process, and the real-time data acquisition operation is completed.
Claims (10)
1. A cloud gateway system for Internet of things access of environment-friendly data acquisition equipment is characterized by comprising a data interaction module, an equipment management module and a service registration module; the data interaction module and the equipment management module are both connected with the service registration module; the data interaction module is connected with an external pipe platform MQS cluster and is used for receiving, forwarding and processing data; the device management module is connected with an identification system of an external Internet of things management platform and is used for managing HJ212 devices accessed to the cloud gateway system; the service registration module is connected with external data acquisition equipment and used for providing a cluster maintenance function, providing registration service for each service node, recording the running state of each service node and providing service node running state information for the task scheduler.
2. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 1, wherein the data interaction module comprises a data receiving layer, a data processing layer and a data transmission layer; the data receiving layer, the data processing layer and the data transmission layer are connected in sequence; the data receiving layer is used for establishing connection with the HJ212 equipment and receiving data requests of all the HJ212 equipment; the data processing layer is used for processing data, receiving and sending data and scheduling tasks; the data transmission layer is used for establishing data interactive link with the electric power internet of things management platform and pushing data to the electric power internet of things management platform.
3. The cloud gateway system for Internet of things of environmental protection data acquisition devices of claim 2, wherein said data receiving layer comprises a Netty server; and the network service is provided for the HJ212 equipment by opening a service port of the Netty service end, so that the service request for receiving the HJ212 is connected with the heartbeat.
4. The cloud gateway system for Internet of things of environmental protection data acquisition equipment of claim 3, wherein the data processing layer comprises a data transceiver, a data processor and a task scheduler; the data transceiver, the data processor and the task scheduler are connected in sequence; the data transceiver is used for receiving data reported by the HJ212 equipment and carrying out data verification and protocol analysis; meanwhile, the system is also used for analyzing the instruction sent by the Internet of things management platform and then sending the analyzed instruction to the HJ212 equipment; in addition, the authority of the equipment number is checked, and whether the uploaded data is legal or not is judged: if the data is legal data, releasing the data, if the data is illegal data, forbidding reporting, and adding the equipment number of the corresponding HJ212 equipment into a blacklist; the data processor is used for converting data of the HJ212 protocol into JSON format data which can be received by the internet of things management platform according to the specification of the MQTT protocol and converting an operation instruction issued by the internet of things management platform into an instruction of the HJ212 protocol format; and the task scheduler is used for performing task scheduling on the operation instruction issued by the Internet of things management platform and determining the maximum processing load quantity of each service node in the cluster according to the weight of the cloud gateway service node.
5. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 4, wherein the data transmission layer comprises an MQTT client, and the MQTT client is used as a client of an electric power Internet of things management platform; the MQTT client establishes data interaction link with the electric power Internet of things management platform by establishing MQTT protocol connection and pushes data to the electric power Internet of things management platform; the data transmission layer is connected with the data processing layer by adopting a message bus; the message bus is a distributed message queue constructed based on a Redis cache system List and is used for data asynchronous communication between a data transmission layer and a data processing layer in the data interaction module; all instructions issued by the internet of things management platform to the equipment are firstly written into the message bus through the data transmission layer, then the data processing module of the data processing layer consumes the instructions from the message bus, and the instructions are issued to the HJ212 equipment through the data transceiver to be executed.
6. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 5, wherein the equipment management module comprises a control layer, a service layer and a data layer; the control layer, the service layer and the data layer are connected in sequence; the functions of the control layer comprise equipment management and real-time monitoring; the functions of the service layer comprise instruction issuing and equipment registration; the data layer is used for storing data.
7. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 6, wherein the functions of the control layer include equipment management and real-time monitoring, specifically, the equipment management is used for providing an interactive interface for HJ212 equipment management, and a user manages information data of the HJ212 through the equipment management function; the real-time monitoring module is used for analyzing the data obtained by the data interaction module, judging the running state of the equipment, and reporting the equipment state information of the HJ212 to the IOT management platform, so that the real-time state of all the equipment accessed to the cloud gateway system is monitored.
8. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 7, wherein the functions of the service layer include instruction issuing and equipment registration, specifically, the instruction issuing function is used for providing a visual interface, and a user can issue an equipment management instruction to the equipment on the graphical interface; the equipment registration is used for providing a visual interface and completing the equipment registration on the Internet of things management platform.
9. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 8, wherein the data layer is used for storing data, and specifically the data layer comprises a relational database Mysql and a cache database Redis; the relational database Mysql is used for storing equipment archive information, log information and enterprise information; the cache database Redis is used for caching the equipment information and improving the response speed of the system through caching.
10. The cloud gateway system for Internet of things of environmental protection data acquisition equipment according to claim 9, wherein the service registration module is constructed based on a nacos server, and has functions of providing cluster maintenance, providing registration service for each service node, recording the running state of each service node, and providing service node running state information for the task scheduler; the service node is automatically connected to the service registration module after being started, then the heartbeat is periodically sent to the service registration module, and when the service registration is successful, the service node automatically becomes one of the cluster nodes of the cloud gateway system; each node starts to have the same weight, and when only one node exists, the node processes instructions and other tasks of all devices; when a plurality of HJ212 devices accessed to the service node exist, if the processing speed of a single node cannot meet the requirement, cluster expansion is carried out according to the number of the HJ212 devices; and the task scheduler automatically determines the number of devices processed by each node according to the number and the weight of the current node in a set period, so that dynamic load balancing is realized.
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