CN105653616A - Communication protocol conversion method for master station in power system - Google Patents
Communication protocol conversion method for master station in power system Download PDFInfo
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- CN105653616A CN105653616A CN201510991463.3A CN201510991463A CN105653616A CN 105653616 A CN105653616 A CN 105653616A CN 201510991463 A CN201510991463 A CN 201510991463A CN 105653616 A CN105653616 A CN 105653616A
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Abstract
The present invention discloses a communication protocol conversion method for a master station in a power system. The method comprises that according to a communication protocol, user data is decomposed as data segments in accordance with function types; data type definiteness is carried out on the data segment to obtain a data model; the data model is matched with the communication protocol, and an XML configuration file is formed and annotated according to the matched data model; according to a user data identification, the XML configuration file is loaded, and the data segments are traversed to obtain a matching result; and the master station loads the XML configuration file according to the user data identification of the communication protocol needing to be converted, so as to obtain the matching result of the XML file and the data segments. The method disclosed by the present invention is applicable to all types of communication protocols, especially to the occasions of complex communication data, complex communication protocols, or communication protocols needing to be frequently converted; and the method is simple and easy to operate, and can rapidly complete conversion of the communication protocol.
Description
Technical field
The invention belongs to the communications field, be specifically related to the communication protocol conversion method of a kind of power system main website.
Background technology
Along with the raising of the development of national economy technology and people's living standard, electric energy has had become as people and has produced and essential secondary energy sources of living. Electric energy meter is as the instrument of metering electric energy, and it is distributed in each end user location nearby, for the power consumption of metering user and upload data, it is simple to power system personnel carry out collecting of electricity consumption statistics of variables and electricity cost.
Present stage, remote monitoring modules has been widely used for checking meter of power system, the information of each terminal unit is delivered to main website by global semaphore by certain communication protocol by each terminal unit, main website realize the functions such as data acquisition, analysis, statistics and control.
But, present stage is due to the national conditions of China, the communication protocol version existed in China's electrical network is more, such as IEC version, electric power guild's version, State Grid Corporation of China's version, Southern Power Grid Company version, company standard version and Utilities Electric Co.'s each province version etc. So many stipulations version, very different between each stipulations version, it is difficult to unified. The existence of so many stipulations version, result in the Communication System Development difficulty of power system main website very big, eurypalynous communication protocol cannot be applicable to, and once need the stipulations of communication system support are modified, the extension in master station communication system later stage and the workload of maintenance are huge, and cost is high.
At present, the common practices that stipulations process is: carry out resolving or organizing bag by binary data stream according to frame structure combinations such as heading, address field, user data mark, user data, message trailers; But the process for wherein complicated user data is abnormal difficult, general stipulations processing method is often due to user data type is various, format differences is very big, can only for every kind of design data one data structure, it is impossible to accomplish generalization, configurableization.
Summary of the invention
It is an object of the invention to provide a kind of communication protocol conversion method can supported many stipulations and can quickly realize the power system main website of conversion mutually between multiple communication protocol.
The communication protocol conversion method of this power system main website provided by the invention, comprises the steps:
S1. according to all types of communication system of power grids stipulations regulation to user data, user data is decomposed into data segment according to function type;
S2. according to the step S1 data segment obtained, the restriction of data type is carried out for each data segment, thus drawing the data model of user data;
S3. the regulation according to each communication protocol, the data model obtained by step S2 mates with communication protocol, forms XML configuration file according to the data model after coupling, and according to the user data mark in communication protocol, XML file is labeled;
S4. identify according to the user data in communication protocol, the XML configuration file obtained in load step S3, and obtain data segment according to the XML configuration file traversal step S1 loaded, obtain the matching result of XML file and data segment described in step S1.
S5. the matching result according to step S4, to needing the communication frame resolved to carry out stipulations parsing or to needing the data sent to carry out stipulations group bag, completes the process of communication protocol.
Data segment described in step S1, including type of coding data segment, display type data segment, coded length data section, decimal digits data segment, sign bit position data section, unit data section, maximum value data section, minima data segment, independent bits structural type initiates bit bit data section, independent bits structural type bit bit length data segment, independent bits structural type whether end mark data segment, whether reversion indicates data segment, enumeration type with enumerate a corresponding relation data segment, independent bits structure type correspondence bit data section, 645 stipulations frame format Data Identification type data segment, data block length data segment, time format data segment and whether data available section.
The restriction that data segment carries out data type described in step S2, carries out data type restriction for employing table 1 to data segment:
Table 1 data segment signal table
Stipulations described in step S5 resolve, for for the communication frame needing parsing, taking out the concrete data in communication frame one by one and the matching result according to step S4 carries out data parsing.
Stipulations group bag described in step S5, for for the data needing transmission, the matching result according to step S4, forming byte stream by turn, be finally completed the stipulations group bag of data.
The present invention is by analyzing general character and the difference of existing communication stipulations, the concept proposing the extremely strong user data model of versatility and data segment of novelty, and form XML configuration file according to the requirement of each communication protocol and the matching result of user data model, data segment, when needs carry out stipulations process, as communication frame resolve, the conversion of the stipulations group bag of data or hough transformation, by transferring the XML configuration file editted, just stipulations parsing, stipulations group bag or stipulations conversion can be rapidly performed by according to configuration file. The inventive method is applicable to all types of communication protocols, and being particularly suited for communication data complexity, communication protocol complexity or communication protocol needs the occasion of frequent transitions, and the inventive method is simple, it is possible to be rapidly completed the process of communication protocol.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention.
Detailed description of the invention
It is illustrated in figure 1 the method flow diagram of the present invention: the communication protocol conversion method of this power system main website provided by the invention, comprises the steps:
S1. according to all types of communication system of power grids stipulations regulation to user data, user data is decomposed into data segment according to function type;
Described data segment, including type of coding data segment, display type data segment, coded length data section, decimal digits data segment, sign bit position data section, unit data section, maximum value data section, minima data segment, independent bits structural type initiates bit bit data section, independent bits structural type bit bit length data segment, independent bits structural type whether end mark data segment, whether reversion indicates data segment, enumeration type with enumerate a corresponding relation data segment, independent bits structure type correspondence bit data section, 645 stipulations frame format Data Identification type data segment, data block length data segment, time format data segment and whether data available section.
S2. according to the step S1 data segment obtained, the restriction of data type is carried out for each data segment, thus drawing the data model of user data;
The described restriction that data segment carries out data type, carries out data type restriction for employing table 1 to data segment:
Table 1 data segment signal table
S3. the regulation according to each communication protocol, the data model obtained by step S2 mates with communication protocol, forms XML configuration file according to the data model after coupling, and according to the user data mark in communication protocol, XML file is labeled;
S4. the user data mark in the communication protocol that main website changes as required loads respective XML configuration file, and obtains data segment according to the XML configuration file traversal step S1 loaded, and obtains the matching result of XML file and data segment described in step S1;
S5. the matching result according to step S4, resolves, to needing the communication frame resolved to carry out stipulations, the data obtaining needs transmission, and the data obtained is carried out stipulations group bag, complete the process of communication protocol.
Described stipulations resolve, for for the communication frame needing parsing, taking out the concrete data in communication frame one by one and the matching result according to step S4 carries out data parsing.
Described stipulations group bag, for for the data needing transmission, the matching result according to step S4, forming byte stream by turn, be finally completed the stipulations group bag of data.
Claims (5)
1. a communication protocol conversion method for power system main website, comprises the steps:
S1. according to all types of communication protocols regulation to user data, user data is decomposed into data segment according to function type;
S2. according to the step S1 data segment obtained, the restriction of data type is carried out for each data segment, thus drawing the data model of user data;
S3. the regulation according to each communication protocol, the data model obtained by step S2 mates with communication protocol, forms XML configuration file according to the data model after coupling, and according to the user data mark in communication protocol, XML file is labeled;
S4. the user data mark in the communication protocol that main website changes as required loads respective XML configuration file, and obtains data segment according to the XML configuration file traversal step S1 loaded, and obtains the matching result of XML file and data segment described in step S1;
S5. the matching result according to step S4, resolves, to needing the communication frame resolved to carry out stipulations, the data obtaining needs transmission, and the data obtained is carried out stipulations group bag, complete the process of communication protocol.
2. the communication protocol conversion method of power system main website according to claim 1, it is characterized in that the data segment described in step S1, including type of coding data segment, display type data segment, coded length data section, decimal digits data segment, sign bit position data section, unit data section, maximum value data section, minima data segment, independent bits structural type initiates bit bit data section, independent bits structural type bit bit length data segment, independent bits structural type whether end mark data segment, whether reversion indicates data segment, enumeration type with enumerate a corresponding relation data segment, independent bits structure type correspondence bit data section, 645 stipulations frame format Data Identification type data segment, data block length data segment, time format data segment and whether data available section.
3. the communication protocol conversion method of power system main website according to claim 1 and 2, it is characterised in that the restriction that data segment carries out data type described in step S2, carries out data type restriction for employing table 1 to data segment:
Table 1 data segment signal table
4. the communication protocol conversion method of power system main website according to claim 1 and 2, it is characterized in that the stipulations described in step S5 resolve, for for the communication frame needing parsing, taking out the concrete data in communication frame one by one and the matching result according to step S4 carry out data parsing.
5. the communication protocol conversion method of power system main website according to claim 1 and 2, it is characterized in that the stipulations group bag described in step S5, for for the data needing transmission, the matching result according to step S4, form byte stream by turn, be finally completed the stipulations group bag of data.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105959305A (en) * | 2016-07-01 | 2016-09-21 | 国网山东省电力公司博兴县供电公司 | Substation communication protocol conversion system |
| CN107888595A (en) * | 2017-11-15 | 2018-04-06 | 许昌智能继电器股份有限公司 | A kind of embedded equipment CAN stipulations analytic methods based on XML technology |
| CN110290127A (en) * | 2019-06-20 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of message forwarding method and message converting system |
| CN111597411A (en) * | 2020-05-13 | 2020-08-28 | 国家电网有限公司 | Method and system for distinguishing and identifying power protocol data frames |
| CN112333231A (en) * | 2020-09-18 | 2021-02-05 | 许继集团有限公司 | Method and system for realizing configured universal protocol based on mqtt Internet of things |
| CN114615344A (en) * | 2022-02-08 | 2022-06-10 | 广东智有盈能源技术有限公司 | Intelligent protocol conversion method and device for electric power instrument |
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| CN105959305A (en) * | 2016-07-01 | 2016-09-21 | 国网山东省电力公司博兴县供电公司 | Substation communication protocol conversion system |
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| CN107888595A (en) * | 2017-11-15 | 2018-04-06 | 许昌智能继电器股份有限公司 | A kind of embedded equipment CAN stipulations analytic methods based on XML technology |
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| CN112333231A (en) * | 2020-09-18 | 2021-02-05 | 许继集团有限公司 | Method and system for realizing configured universal protocol based on mqtt Internet of things |
| CN114615344A (en) * | 2022-02-08 | 2022-06-10 | 广东智有盈能源技术有限公司 | Intelligent protocol conversion method and device for electric power instrument |
| CN114615344B (en) * | 2022-02-08 | 2023-07-28 | 广东智有盈能源技术有限公司 | Intelligent protocol conversion method and device for electric power instrument |
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