CN113612721A - Intelligent message analysis method based on power line carrier communication - Google Patents
Intelligent message analysis method based on power line carrier communication Download PDFInfo
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- CN113612721A CN113612721A CN202110005911.3A CN202110005911A CN113612721A CN 113612721 A CN113612721 A CN 113612721A CN 202110005911 A CN202110005911 A CN 202110005911A CN 113612721 A CN113612721 A CN 113612721A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
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Abstract
The invention relates to the technical field of power line carrier communication, and discloses a message intelligent analysis method based on power line carrier communication, which comprises the following steps of 1: acquiring an interactive message record from a concentrator local communication module; step 2: analyzing the message by using intelligent analysis software; and step 3: analyzing the interactive flow of the electric energy meter through the address of the electric energy meter; and 4, step 4: analyzing the whole meter reading process by using the function code; and 5: and retrieving common interactive abnormal situations to give abnormal warnings. The analysis method is realized based on the requirement of meeting the PLC communication protocol specification, and is convenient for processing the analysis of the abnormal meter reading problem of the low-voltage power line carrier region.
Description
Technical Field
The invention relates to the technical field of low-voltage power line carrier communication, in particular to an intelligent message analysis method based on power line carrier communication.
Background
The low voltage power carrier communication (PLC) technology is a communication method using a power line as a data transmission medium. The whole communication network mainly comprises a master station server, a concentrator local communication module, an electric energy meter communication module or a collector and the like.
The concentrator local communication module is communicated with the concentrator in an uplink mode, and is communicated with the electric energy meter communication module or the collector in a downlink mode, and a carrier communication network topology is formed in the meter reading process. The concentrator collects various data of the electric energy meter in a carrier communication mode of the concentrator local communication module and the electric energy meter communication module or the collector, and then transmits the data back to the master station server, so that application functions such as electric charge management and the like are realized.
In actual operation, part of electric energy meter data can not be normally collected and transmitted back to a master station server, the integrity of the data is affected, the problem generally occurs in the communication process of a concentrator and a concentrator local communication module, the concentrator local communication module and the electric energy meter communication module or a collector, the problem of communication interaction flow abnormity and the problem of power line carrier communication quality abnormity can be analyzed by analyzing interaction messages of the concentrator and the concentrator local communication module, the concentrator local communication module and the electric energy meter communication module or the collector, but the analysis messages need to be skillfully mastered about relevant protocol content and frame format of low-voltage power line carrier communication and normal interaction flow, and a certain threshold is achieved. Therefore, the method provides a fast and effective intelligent message analysis method to solve the problems.
Disclosure of Invention
The invention provides a message intelligent analysis method based on power line carrier communication, which realizes analysis and judgment of the problem that electric energy meter data cannot be normally collected in the process of quickly positioning low-voltage power line carrier communication. Through the intelligent analysis of software, the interaction problem can be analyzed quickly and simply, the reason can be positioned quickly, and the first time provides guarantee for the data integrity.
The method is based on the power line carrier communication technology, and the analyzed interactive message records meet the national network 376.2 protocol, the 1376.2 protocol, the south network 16 protocol and the Ding Xin carrier protocol.
The invention specifically comprises the following steps:
firstly, acquiring an interactive message record from a local communication module of a concentrator;
secondly, analyzing the message by using intelligent analysis software;
thirdly, analyzing the interactive flow of the electric energy meter through the address of the electric energy meter;
fourthly, analyzing the whole meter reading process by applying the function code;
and fifthly, retrieving common interaction abnormal situations and giving abnormal warnings.
Compared with the existing manual analysis mode, the invention has the following benefits and effects:
the technical scheme provided does not need to skillfully master the related protocols of power line carrier communication, the intelligent analysis method can analyze the frame format of the message, can clearly list the actual functions of each message, and in addition, the flow analysis also realizes automation, does not need to manually screen a large amount of messages for judgment, and improves the analysis efficiency by more than one time.
Drawings
Fig. 1 is a system diagram of power line carrier communication;
fig. 2 is a flowchart of an intelligent message analysis method implemented in the present invention.
Detailed Description
In order to clearly illustrate the objects, technical solutions and advantages of the present invention, the present invention is further described with reference to the following embodiments.
All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to ensure the accuracy and effectiveness of message analysis, the number of introduced interactive messages should exceed 5 ten thousand as far as possible, so that all interactive contents of the whole new meter reading period after 0 point in the morning can be traced back.
As shown in fig. 1, the message analyzed in the embodiment of the present invention mainly relates to the following links:
s101, interactive messages of the concentrator and a concentrator local communication module;
the interactive message of the concentrator and the local communication module of the concentrator belongs to the application layer message and is mainly used for controlling the meter reading process.
And S102, interacting messages between the concentrator local communication module and the electric energy meter communication module or the collector.
The message interacted between the concentrator local communication module and the electric energy meter communication module or the collector belongs to a carrier layer message and is mainly used for transmitting a meter reading service message.
As shown in fig. 2, the analysis method provided in the embodiment of the present invention includes the following steps:
s201: acquiring an interactive message record from a concentrator local communication module;
the concentrator local communication module can automatically store the interactive messages of the concentrator and the concentrator local module, and the interactive messages of the concentrator local communication module and the electric energy meter communication module or the collector. The closer the message is to the front, the more the number of the read messages is generally more than 5 ten thousand in order to read all the interactive messages of the whole new meter reading period as far as possible.
S202: analyzing the message by using intelligent analysis software;
after the intelligent software analyzes the imported interactive messages, the messages are displayed according to the time sequence, and the messages can be exported into Excel format files.
S203: analyzing the interactive flow of the electric energy meter through the address of the electric energy meter;
the intelligent software can list all the communication addresses of the electric energy meters by screening the address fields in the messages, and when the interaction of a certain electric energy meter needs to be analyzed whether to be abnormal or not, the intelligent software can screen according to the address of the electric energy meter, so that all the interaction processes of the electric energy meter can be seen. Whether the concentrator issues a task of reading the electric energy meter or not on the same day, whether the task of the electric energy meter on the power line carrier is successfully executed or not, and information such as the network level, the communication phase and the like of the electric energy meter can be clearly seen, so that the problem of communication abnormality of the electric energy meter can be positioned.
S204: analyzing the whole meter reading process by using the function code;
the intelligent software carries out multidimensional analysis through information such as frame types, control codes, phases, directions, AFN, Fn, addresses, data items, reading marks and the like in screening messages, whether a meter reading task is normally executed by the concentrator all the time can be clearly seen, the electric energy meter which fails to be read is repeatedly executed all the time, whether the concentrator cannot normally work due to long-time local communication module pause or not is determined, whether the meter reading tasks of all the electric energy meters are uniform or not by the concentrator, whether the power line communication quality of a station area is normal or not can be seen by the communication speed and the network level of all the electric energy meters in the station area, and therefore whether the abnormal station area for meter reading is caused by abnormal interaction flow or bad environment of the station area is determined.
S205: and retrieving common interactive abnormal situations to give abnormal warnings.
The intelligent analysis software analyzes through thousands of test cases, classifies and summarizes the problems, summarizes abnormal points of common problems, and can search according to the cases stored when analyzing new problem interaction messages and give an alarm for the problems which may occur.
The invention has realized function development and field test, fully demonstrated the feasibility of the technical scheme.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided, for example, in programmable memory such as read only memory (firmware) or on a data carrier such as an optical or electronic signal carrier.
The embodiments of the present invention are described in detail above, and the present invention is explained by using specific embodiments, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, any modification, equivalent replacement, and improvement made by those skilled in the art according to the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An intelligent message analysis method based on power line carrier communication is characterized by comprising the following steps:
firstly, acquiring an interactive message record from a local communication module of a concentrator;
secondly, analyzing the message by using intelligent analysis software;
thirdly, performing interactive process analysis on the electric energy meter through the address of the electric energy meter;
fourthly, analyzing the whole meter reading process by applying the function code;
fifthly, the software retrieves the common interaction abnormal situation to give an abnormal warning.
2. The intelligent message analysis method based on power line carrier communication as claimed in claim 1, wherein the interactive message records obtained from the concentrator local communication module satisfy the 376.2 protocol, 1376.2 protocol, the 16 protocol of south network, and the carrier protocol of ancient china.
3. The intelligent analysis method for messages based on power line carrier communication according to claim 1, wherein when the intelligent analysis software analyzes the messages, the protocol type of each message can be automatically identified, and the characteristic information of the message is displayed.
4. The intelligent message analysis method based on power line carrier communication as claimed in claim 1, wherein all interaction processes of the node can be displayed in time sequence through the address of the electric energy meter, so as to facilitate analysis of interaction problems of the electric energy meter.
5. The intelligent analysis method for messages based on power line carrier communication as claimed in claim 1, wherein information such as frame type, control code, phase, direction, AFN, Fn, address, data item, reading flag, etc. is screened and analyzed in multiple dimensions, so as to determine the interaction problem of the whole process.
6. The intelligent analysis method for messages based on power line carrier communication as claimed in claim 1, wherein the messages are automatically analyzed and compared by the interactive process of recording common problem cases, and a warning is provided for the problem.
7. The intelligent message analysis method based on power line carrier communication as claimed in claim 1, wherein the problem of interaction between the concentrator and the local communication module in the low-voltage power line carrier communication station area, and between the concentrator local communication module and the electric energy meter communication module or collector can be quickly located, and the success rate of remote centralized meter reading of the electric energy meter is improved.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113766360A (en) * | 2021-11-09 | 2021-12-07 | 国网江苏省电力有限公司营销服务中心 | Full-link fault diagnosis method and system supporting high-frequency data acquisition |
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