CN114398448A - Special transformer user load identification data acquisition system and method based on novel intelligent meter - Google Patents
Special transformer user load identification data acquisition system and method based on novel intelligent meter Download PDFInfo
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Abstract
The invention relates to a special transformer user load identification data acquisition system based on a novel intelligent meter, which comprises: the system comprises a client module, an MQTT Broker module, a novel intelligent meter module, a load analysis module and an acquisition system history library module. The invention can realize high-frequency acquisition and high-speed transmission of the load identification data of the special transformer user based on the novel intelligent meter through the work of subscription mechanism design of load data, load data interaction mechanism design, load data acquisition mechanism design, load identification result generation, load data warehousing and the like, and reports the high-frequency acquisition and high-speed transmission to the acquisition master station system at regular time.
Description
Technical Field
The invention belongs to the technical field of load identification and electric energy collection, and relates to a system and a method for collecting load identification data of a special transformer user, in particular to a system and a method for collecting load identification data of the special transformer user based on a novel intelligent meter.
Background
At present, along with the popularization of smart electric meters and the upgrading and upgrading of sensing technologies, a large amount of electric energy data with various structures and complex sources are generated by a metering system of a power grid company. On one hand, how to store and manage mass electric energy data of the special transformer users and establish a big data system architecture to enable the data to really become an asset is a problem which needs to be solved urgently by a power grid company; on the other hand, how to analyze and process the energy big data, dig out more values, and realize the value-added service of the special transformer user big data is an opportunity and a challenge for the power grid company.
Upon search, no prior art documents that are the same or similar to the present invention have been found.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a system and a method for acquiring load identification data of a special transformer user based on a novel intelligent meter.
The invention solves the practical problem by adopting the following technical scheme:
a data acquisition system is discerned to special change user load based on novel smart meter, includes: the system comprises a client module, an MQTT Broker module, a novel intelligent meter module, a load analysis module and an acquisition system history library module;
the client module is used for subscribing the load data of the specially-changed user, the output end of the client module is connected with the MQTT Broker module, and the client module is used for subscribing the load data of the specially-changed user to the MQTT Broker module through an MQTT subscription program; the input end of the client module is connected with the load analysis module and is used for receiving the load identification result data of the special transformer user subscribed by the client module and sent by the load analysis module; the output end of the MQTT Broker module is connected with the load analysis module, the output end of the load analysis module is connected with the acquisition system history library module, and the load analysis module is used for identifying and analyzing a data acquisition result of the subscription of the special transformer user sent by the MQTT Broker module, generating load identification result data and sending the load identification result data to the client module and the acquisition system history library module respectively; the acquisition system history library module is used for storing the load identification result data of the special transformer user; the input end of the MQTT Broker module is connected with the novel intelligent electric meter and used for collecting the load data of the special transformer user in real time and reporting the load data to the MQTT Broker module in a timing mode.
And the acquisition system historical library module is connected with the acquisition system real-time library module and is used for synchronizing the load identification result data to the acquisition system real-time library module.
A specific transformer user load identification data acquisition communication method based on a novel intelligent meter comprises the following steps:
step 1, subscribing load data to an MQTT Broker through an MQTT subscription program, and setting a subscription rule for a device Topic to acquire required device report data;
step 2, completing the work of interactive mechanism design, parameter configuration and data packet design, and realizing interactive transmission of subscription information among the MQTT Broker server, the novel intelligent watch and the client;
step 3, setting a novel intelligent ammeter acquisition and reporting strategy, regularly reporting user load data to the MQTT Broker, and acquiring load data subscribed by a client by the MQTT Broker;
and 4, step 4: analyzing the collected load data through a load analysis model to generate load identification result data;
and 5, the load analysis module sends a copy of the load identification result data of the specific transformer user subscribed by the client to each matched client for subscription in an application message form.
And 5, realizing the storage of the load identification data through an API (application programming interface), and storing a load identification data file.
The step 1 specifically includes:
(1) developing an MQTT subscription program to subscribe load data to an MQTT Broker, wherein the MQTT subscription program publishes a Topic by the MQTT Broker, subscribes the corresponding Topic by a load analysis module, and sends a copy of an application message to each matched client for subscription;
(2) the subscription rule of the novel intelligent meter Topic is set based on an MQTT subscription program so as to obtain required load identification data of a special transformer user, incoming messages are intercepted and matched through a subscription rule engine, load data reported by the novel intelligent meter are transmitted to a load analysis module through certain rule calculation, and finally the load data are transmitted to a client through an MQTT Broker.
Moreover, the step 2 specifically comprises the following steps:
(1) message interaction is completed by adopting a publish/subscribe mechanism based on an MQTT protocol, and the mechanism can provide one-to-many message distribution;
(2) parameter configuration of the MQTT Broker server and the novel intelligent meter is completed, and connection of the novel intelligent meter and the MQTT Broker is achieved;
(3) the subscription information data package is designed for sending, the message is distributed according to the message theme, and the MQTT Broker does not need to analyze the user data.
The step 3 specifically includes:
(1) setting an acquisition and reporting strategy by the novel intelligent electric meter based on the interaction mechanism designed in the step 2, and reporting the load data regularly through a 4G network;
(2) the MQTT Broker server monitors topic of load data reported by the novel electric energy meter in real time, and after the novel intelligent meter uploads the data, the load data are acquired from the subscribed topic.
The invention has the advantages and beneficial effects that:
1. the invention provides a load identification data acquisition system and a load identification communication method for a special transformer user based on a novel intelligent meter, which can realize high-frequency acquisition and high-speed transmission of load identification data of the special transformer user based on the novel intelligent meter through the work of subscription mechanism design of load data, load data interaction mechanism design, load data acquisition mechanism design, load identification result generation, load data warehousing and the like, and report the load identification data to an acquisition master station system at regular time. The client subscribes load identification data required by the system to the MQTT Broker server through a data message publishing/subscribing function, the MQTT Broker server collects novel intelligent meter load data of the special transformer user according to a request, generates a load identification result of the special transformer user through a load analysis model, sends the load identification result to the client, and realizes high-speed storage of the load identification result data through an API (application programming interface). The method and the model provided by the invention have universality and can be applied to other industry fields.
2. The invention can deepen the business application of the electric power data and improve the intelligent service level of the power grid. The invention discloses an intelligent measurement system based on a novel intelligent ammeter, and discloses a collection communication method of load identification data of a special transformer user, which realizes high-frequency collection and timed report of the load identification data of the special transformer user, fully utilizes the advantages of massive user electricity utilization data and the like, and provides intelligent electricity utilization service and social value-added service for customers.
3. The invention can improve the data processing capacity of the power system and realize the mass connection and high-speed transmission of load data. According to the invention, the communication access program is developed based on the EPOLL technology of LINUX/UNIX, so that high-speed processing of large-batch files is realized, system memory is effectively saved, the CPU utilization rate of a power system is obviously improved, and more than 10 thousands of novel intelligent meter terminals can be accessed to a single server; and realizing large-batch connection and high-speed transmission of data by utilizing a thread pool and a JAVA NIO technology.
Drawings
Fig. 1 is a schematic diagram of a specific transformer user load identification data acquisition system based on a novel intelligent meter.
Detailed Description
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
at present, an electricity utilization information acquisition system takes an intelligent meter as main metering equipment to realize comprehensive acquisition and monitoring of electricity utilization information of a special transformer user. Compared with the traditional intelligent meter, the novel intelligent meter increases the technologies of data processing, load identification and the like on the basis of meeting the basic functions of metering and business requirements.
A data acquisition system is discerned to special change user load based on novel smart meter, as shown in figure 1, includes: the system comprises a client module, an MQTT Broker module, a novel intelligent meter module, a load analysis module and an acquisition system history library module;
the client module is used for subscribing the load data of the specially-changed user, the output end of the client module is connected with the MQTT Broker module, and the client module is used for subscribing the load data of the specially-changed user to the MQTT Broker module through an MQTT subscription program; the input end of the client module is connected with the load analysis module and is used for receiving the load identification result data of the special transformer user subscribed by the client module and sent by the load analysis module; the output end of the MQTT Broker module is connected with the load analysis module, the output end of the load analysis module is connected with the acquisition system history library module, and the load analysis module is used for identifying and analyzing a data acquisition result of the subscription of the special transformer user sent by the MQTT Broker module, generating load identification result data and sending the load identification result data to the client module and the acquisition system history library module respectively; the acquisition system history library module is used for storing the load identification result data of the special transformer user; the input end of the MQTT Broker module is connected with the novel intelligent electric meter and used for collecting the load data of the special transformer user in real time and reporting the load data to the MQTT Broker module in a timing mode.
In this embodiment, the collection system history library module is connected with the collection system real-time library module and is used for synchronizing the load identification result data to the collection system real-time library module.
The functions and functions of the various modules in the system are further described below:
the client module is used for subscribing the load data of the special transformer user; the output end of the client module is connected with the MQTT Broker module and is used for subscribing the load data of the special variable user to the MQTT Broker module through an MQTT subscription program; the input end of the client module is connected with the load analysis module and is used for receiving the load identification result data of the special transformer user subscribed by the client module and sent by the load analysis module.
The MQTT Broker module is used for identifying load acquisition result data reported by the novel intelligent meter at regular time according to subscription information of the client module and sending the load acquisition result data to the load analysis module; the input end of the MQTT Broker module is connected with the client module and used for receiving subscription information sent by the client module; the input end of the MQTT Broker module is connected with the novel intelligent meter and is used for receiving the load acquisition result data of the special transformer users reported by the novel intelligent meter at regular time and acquiring the load data of the special transformer users subscribed by the client module; the output end of the MQTT Broker module is connected with the load analysis module and used for sending the load acquisition result data of the special transformer user to the load analysis module.
And the novel intelligent meter module is used for acquiring the load data of the special transformer user in real time and reporting the load data to the MQTT Broker module at regular time. The output end of the novel intelligent meter module is connected with the MQTT Broker module and is used for regularly reporting the collected load data of the special transformer user to the MQTT Broker module.
The load analysis module is used for identifying and analyzing the load acquisition result data, generating load identification result data and respectively sending the load identification result data to the client module and the acquisition system history library module; the input end of the load analysis module is connected with the MQTT Broker module and is used for identifying and analyzing a private transformer user subscription data acquisition result sent by the MQTT Broker module and generating load identification result data; the output end of the load analysis module is connected with the client module and used for sending a copy of the load identification result data to the corresponding client for subscription in the form of application information; the output end of the load analysis module is connected with the historical library module of the acquisition system and used for storing the generated load identification result data into the historical library module of the acquisition system.
The acquisition system history library module is used for storing the load identification result data of the special transformer user and synchronizing the load identification result data to the acquisition system real-time library module; the input end of the acquisition system history library module is connected with the load analysis module and is used for storing the load identification result data of the special transformer user sent by the load analysis module and storing a load identification data file; the output end of the acquisition system historical library module is connected with the acquisition system real-time library module and is used for synchronizing the stored load identification result data of the special transformer users to the acquisition system real-time library module.
And the acquisition system real-time library module is used for storing the load identification result data of the special transformer users synchronized with the acquisition system historical library and backing up the load identification data files. The input end of the acquisition system real-time library module is connected with the acquisition system historical library module and is used for storing the load identification result data of the special transformer users synchronized with the acquisition system historical library and realizing the backup of the load identification data archives.
A specific transformer user load identification data acquisition communication method based on a novel intelligent meter comprises the following steps:
step 1: and designing a load data subscription mechanism.
And developing an MQTT subscription program to subscribe load data to an MQTT Broker, and setting a subscription rule for the device Topic to acquire required device reporting data.
Step 2: and designing a load data interaction mechanism.
And the work of interactive mechanism design, parameter configuration, data packet design and the like is completed, and interactive transmission of subscription information among the MQTT Broker server, the novel intelligent watch and the client is realized.
And step 3: and designing a load data acquisition mechanism.
Setting a novel intelligent electric meter acquisition and reporting strategy, reporting user load data to the MQTT Broker at regular time, and acquiring load data subscribed by a client by the MQTT Broker.
And 4, step 4: and generating load identification result data.
And developing a load analysis model to analyze the collected load data and generate load identification result data.
And 5: subscription information delivery
And the load analysis module sends a copy of the load identification result data of the specific variable user subscribed by the client to each matched client for subscription in an application message form.
And 5: and (5) loading the load data into a database.
And the load identification data is put into a warehouse through the API interface, and a load identification data file is stored.
Further, the step 1 specifically comprises:
step 11: MQTT subscription program development
The development "MQTT subscription" program subscribes to MQTT Broker for load data, including voltage data and current data. The MQTT subscription program publishes a Topic by an MQTT Broker, subscribes to the corresponding Topic by a load analysis module, namely load identification result data, and sends a copy of an application message (load identification result data) to each matched client for subscription.
Step 12: subscription rule set
And setting a subscription rule for the novel intelligent meter Topic based on the MQTT subscription program in the step 11 so as to acquire required load identification data of the special variable users. The incoming messages are intercepted and matched through the subscription rule engine, the load data reported by the novel intelligent electric meter are transmitted to the load analysis module through certain rule calculation, and finally transmitted to the client through the MQTT Broker. Thereby completing the design of the load data subscription mechanism.
Further, the step 2 specifically comprises:
and (2) designing a load data interaction mechanism based on the load data subscription behavior in the step (1), completing the preparation work of MQTT Broker server side and the novel intelligent meter, designing the format of a subscription information data packet and the like by completing the interaction mechanism of subscription information among the MQTT Broker server, the novel intelligent meter and the client side, and realizing the interactive transmission of the subscription information among information publishers, agents and subscribers.
Step 21: interaction mechanism design
Message interaction is accomplished using a publish/subscribe mechanism based on the MQTT protocol, which can provide one-to-many message distribution. The MQTT Broker server sends interactive data requests to the novel intelligent meter by setting a subscription Topic, and the novel intelligent meter reports Topic contents on time as required according to the Topic requirement. In the information interaction process, the participants are divided into three identities of a publisher, an agent and a subscriber, wherein the publisher and the subscriber of the message are clients, and the agent of the message is an MQTT Broker server.
Step 22: parameter configuration
And completing the parameter configuration of the MQTT Broker server and the novel intelligent meter in the step 21, and realizing the connection of the novel intelligent meter and the MQTT Broker. Completing parameter configuration of an Mqtt master station IP address, a port number, a service layer heartbeat period and the like at an MqtT Broker server end; completing the Apn parameter configuration in the communication parameters of the novel intelligent meter, and realizing the network dialing of the novel intelligent meter to a network operator; and (2) creating equipment at the MQTT server, carrying out adaptive setting on an IP address, a connection port, a user name and a password which are automatically allocated to the equipment by the server and the novel intelligent meter, and completing the connection establishment of the novel meter and the MQTT server 'MQTT Broker' of the main station.
Step 23: data packet design
The subscription information package for sending in design step 21 distributes messages according to message topics, and MQTT Broker does not need to parse user data. The subscription information data packet, namely an MQTT data packet, comprises a fixed message header, a variable message header and a message body. The fixed message header exists in all MQTT data packets and represents the type of the data packet and the grouping type identification of the data packet; the variable message header exists in a part of MQTT data packets, and the type of the data packets determines whether the variable message header exists and the specific content of the variable message header; the message body exists in a part of MQTT data packet, represents the specific content received by the client, and comprises a message theme and a message content. Thereby completing the design of the load data interaction mechanism.
Further, the step 3 specifically comprises:
step 31: load data reporting
And (3) setting an acquisition and reporting strategy based on the interaction mechanism designed in the step (2), and reporting the load data regularly through a 4G network. The novel electric energy meter processes the acquired load data of the special transformer user into a data packet format required by the step 2 through a protocol processing module, and packages the data packet into a data message based on the MQTT format and uploads the data message to the MQTT Broker.
Step 32: subscription load data acquisition mechanism design
And the MQTT Broker server monitors the topic of the load data reported by the novel electric energy meter in the step 31 in real time, and acquires the load data from the subscribed topic after the novel intelligent meter uploads the data. The communication access program is developed based on the EPOLL technology of LINUX/UNIX, a large quantity of file descriptors can be processed, unnecessary memory copy is saved, the utilization rate of a system CPU (central processing unit) of the program under the condition of large quantity of concurrent connection can be obviously improved, and more than 10 thousands of novel intelligent meter terminals can be accessed to a single server; socket connection and data receiving and sending are managed through a thread pool and a JAVA NIO technology, and high-concurrency socket connection requests and high-throughput socket data transmission are achieved. Thereby completing the design of the load data acquisition mechanism.
Further, the step 4 specifically includes:
and developing a load analysis model to analyze the load data acquired in the step 3 and generate load identification result data. The load analysis model integrates an Apache Flink technology and a Spark Streaming technology, can complete the work of load data real-time calculation, offline calculation and the like, and supports a plurality of programming languages such as Scala, Python, R and the like.
Further, the step 5 specifically includes:
and the load analysis module sends a copy of the generated load identification result data of the specific transformer user in the step 4 to each matched client for subscription in an application message form.
Further, the step 6 specifically includes:
and (4) directly accessing the load identification data generated in the step (4) into a historical library of the acquisition system through an API (application programming interface), and storing a load identification data file. And then synchronizing the load identification result data to an acquisition system real-time library through a data synchronization mechanism of the acquisition master station, and backing up the load identification data file.
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.
Claims (6)
1. The utility model provides a special transformer user load identification data acquisition system based on novel smart meter which characterized in that: the method comprises the following steps: the system comprises a client module, an MQTT Broker module, a novel intelligent meter module, a load analysis module and an acquisition system history library module;
the client module is used for subscribing the load data of the specially-changed user, the output end of the client module is connected with the MQTT Broker module, and the client module is used for subscribing the load data of the specially-changed user to the MQTT Broker module through an MQTT subscription program; the input end of the client module is connected with the load analysis module and is used for receiving the load identification result data of the special transformer user subscribed by the client module and sent by the load analysis module; the output end of the MQTT Broker module is connected with the load analysis module, the output end of the load analysis module is connected with the acquisition system history library module, and the load analysis module is used for identifying and analyzing a data acquisition result of the subscription of the special transformer user sent by the MQTT Broker module, generating load identification result data and sending the load identification result data to the client module and the acquisition system history library module respectively; the acquisition system history library module is used for storing the load identification result data of the special transformer user; the input end of the MQTT Broker module is connected with the novel intelligent electric meter and used for collecting the load data of the special transformer user in real time and reporting the load data to the MQTT Broker module in a timing mode.
2. The system for acquiring the load identification data of the specific transformer based on the novel intelligent meter as claimed in claim 1, wherein: and the acquisition system historical library module is connected with the acquisition system real-time library module and is used for synchronizing the load identification result data to the acquisition system real-time library module.
3. A specific transformer user load identification data acquisition communication method based on a novel intelligent meter is characterized by comprising the following steps: the method comprises the following steps:
step 1, subscribing load data to an MQTT Broker through an MQTT subscription program, and setting a subscription rule for a device Topic to acquire required device report data;
step 2, completing the work of interactive mechanism design, parameter configuration and data packet design, and realizing interactive transmission of subscription information among the MQTT Broker server, the novel intelligent watch and the client;
step 3, setting a novel intelligent ammeter acquisition and reporting strategy, regularly reporting user load data to the MQTT Broker, and acquiring load data subscribed by a client by the MQTT Broker;
and 4, step 4: analyzing the collected load data through a load analysis model to generate load identification result data;
and 5, the load analysis module sends a copy of the load identification result data of the specific transformer user subscribed by the client to each matched client for subscription in an application message form.
And 6, realizing the storage of the load identification data through an API (application programming interface), and storing a load identification data file.
4. The novel smart meter-based load identification data acquisition communication method for the specific transformer users, according to claim 3, characterized in that: the step 1 specifically comprises the following steps:
(1) developing an MQTT subscription program to subscribe load data to an MQTT Broker, wherein the MQTT subscription program publishes a Topic by the MQTT Broker, subscribes the corresponding Topic by a load analysis module, and sends a copy of an application message to each matched client for subscription;
(2) the subscription rule of the novel intelligent meter Topic is set based on an MQTT subscription program so as to obtain required load identification data of a special transformer user, incoming messages are intercepted and matched through a subscription rule engine, load data reported by the novel intelligent meter are transmitted to a load analysis module through certain rule calculation, and finally the load data are transmitted to a client through an MQTT Broker.
5. The novel smart meter-based load identification data acquisition communication method for the specific transformer users, according to claim 3, characterized in that: the step 2 comprises the following specific steps:
(1) message interaction is completed by adopting a publish/subscribe mechanism based on an MQTT protocol, and the mechanism can provide one-to-many message distribution;
(2) parameter configuration of the MQTT Broker server and the novel intelligent meter is completed, and connection of the novel intelligent meter and the MQTT Broker is achieved;
(3) the subscription information data package is designed for sending, the message is distributed according to the message theme, and the MQTT Broker does not need to analyze the user data.
6. The novel smart meter-based load identification data acquisition communication method for the specific transformer users, according to claim 3, characterized in that: the step 3 specifically comprises the following steps:
(1) setting an acquisition and reporting strategy by the novel intelligent electric meter based on the interaction mechanism designed in the step 2, and reporting the load data regularly through a 4G network;
(2) the MQTT Broker server monitors topic of load data reported by the novel electric energy meter in real time, and after the novel intelligent meter uploads the data, the load data are acquired from the subscribed topic.
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