CN102571787B - IEC (international electrotechnical commission) 61850-based protocol conversion method and device - Google Patents
IEC (international electrotechnical commission) 61850-based protocol conversion method and device Download PDFInfo
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- CN102571787B CN102571787B CN201110455103.3A CN201110455103A CN102571787B CN 102571787 B CN102571787 B CN 102571787B CN 201110455103 A CN201110455103 A CN 201110455103A CN 102571787 B CN102571787 B CN 102571787B
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Abstract
The invention discloses an IEC (international electrotechnical commission) 61850-based protocol conversion method which comprises the following steps that through setting a data buffer module between a production module and a consumption module, the production module is isolated from the consumption module; the production module implements data production; the data buffer module implements data storage and implements management on production result data, support on needs of larger space distribution, and limitation on the biggest space and production capacity of the production module; and the consumption module implements data consumption. The invention also discloses a device for implementing the method above. According to the invention, by using the technical scheme above, data generated as an intelligent electronic device adopts different communication protocols can be converted into IEC61850-based data, so that each system can recognize and understand the data, and the processing on the data is performed in the consumption module, so that the data can be efficiently extracted from a superior network, the data can be managed and stored efficiently, and intersystem communication can be performed efficiently.
Description
Technical field
The present invention relates to a kind of method for converting protocol and device, particularly relate to a kind of method for converting protocol based on IEC61850 and device.
Background technology
Electric substation automation system can be carried out integrated the control of originally separating, protection, event, communication and measurement mechanism in an appropriate form; automated system is formed by a small amount of intelligent electronic device; sharing of information is realized by the communication network in station; can reduce in a large number and use IP resource; reduce system architecture, improve economical, the reliability of system.Traditional Transformer Substation Online Monitoring System and complex automatic system communication standard all based on certain agreement, as Most current equipment adopt the communication protocol such as 101 agreements, 104 agreements, MODBUS, CDT.In OO transformer station, communication protocol IEC61850 is a set of very complicated standards system, is divided into into 10 parts, has made comprehensive, detailed description and specification to substation communication network and system.IEC61850 standards system establishes the object model, service model and the relation between them that contain power system primary system, electrical secondary system and communication system.
In electric substation automation system integrating process, the greatest problem faced is exactly the intelligent electronic device of different manufacturers, the communication protocol that the intelligent electronic device of the different model of even same producer adopts is not identical, is thus difficult to realize seamless integrated and interoperability.When exchanging with the protocol transmission message be not quite similar based on these between each system, the semanteme of data does not transmit simultaneously, causes receiving subsystem can not understand the detailed meanings of message, causes between each system and cannot communicate, form each information island.
Summary of the invention
The object of the invention is to, a kind of method for converting protocol based on IEC61850 and device are provided.The data that intelligent electronic device produces because of the different communication protocol adopted can be converted to data based on IEC61850 by this invention, enable each system Understanding, realize the communication between each system, and data can be extracted efficiently from upper network, efficient management storage data, carries out intersystem communications efficiently.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of method for converting protocol based on IEC61850, it is characterized in that: by setting data buffer module between production module and consumption module, make production module and consumption module produce isolation; Production module realizes data and produces, and data buffering module realizes storage data, and realizes the management of producing result data, support greater room being distributed to needs, to the restriction of maximum space and the restriction to the ability that production module is produced; Consumption module realizes data consumption.
Aforesaid based in the method for converting protocol of IEC61850, described production module comprises network reception module and network event processing module; The method that described data are produced is:
A. network reception module is utilized to receive network event from upper network;
B. utilize network event processing module process network event, if Accept event, receive and new connection put into event queue, if Write event, increase and write counting, if Read event, read the data in network, and data are stored into data buffering module.
Aforesaid based in the method for converting protocol of IEC61850, described consumption module comprises data read module and data processing module; The method of described data consumption is:
A. data read module is utilized to read pending data from data buffering module;
B. the data that data processing module process is read are utilized.
Aforesaid based in the method for converting protocol of IEC61850, described data processing module comprises agreement judge module, translation module, data judge module, model building module, self-checking alarming module, functional analysis module, logical node set up module and sending module; The step of the data that described process is read is:
A. utilize agreement judge module to judge the protocol type of data, obtain the protocol type of these data;
The protocol type of these data B. utilizing translation module to obtain according to steps A and the mapping table of this kind of given agreement and IEC61850, translation obtains the data b of these data based on IEC61850;
C. the data b utilizing data judge module to obtain according to the rule analysis step B of IEC61850, determines that data b is analog acquisition value or switch acquisition value;
If D. data b is analog acquisition value, model building module is utilized to set up data object model D according to the rule of IEC61850 to it; Be specially and add I to data object oriented, the suffix sequence number of II, III represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value; If data b is switch acquisition value, model building module is utilized to set up data object model d according to the rule of IEC61850 to it; Be specially and add i to data object oriented, the suffix sequence number of ii, iii represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value;
E. self-checking alarming module is utilized to adopt general inputoutput data object to set up self-checking alarming object model E or self-checking alarming object model e by model building module the data object model D in step D or data object model d;
F. utilize functional analysis module to obtain self-checking alarming object model E that data object model D and step e obtain or step D to step D to obtain the self-checking alarming object model e that data object model d and step e obtain and analyze, be specially, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model E and measured value is utilized to judge, if above-mentioned two numerical value have one at least not in given range, produce action alarm source, subject performance device id, the tripartite relationship table of type of action, model building module is utilized tripartite relationship table to be set up the data object model F representing action, otherwise process terminates, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model e and measured value is utilized to judge, if above-mentioned two numerical value have at least one to be not equal to set-point, produce the tripartite relationship table of action alarm source, subject performance device id, type of action, utilize model building module tripartite relationship table to be set up the data object model f representing action, otherwise process terminate,
G. utilize logical node to set up module the data object model F of expression action is set up logical node G maybe the data object model f of expression action to be set up logical node g;
H. utilize sending module to arrange logical node G or logical node g and send order, send it to undernet.
Realize an above-mentioned device based on IEC61850 method for converting protocol, it is characterized in that: comprise the production module, data buffering module and the consumption module that connect successively, production module also connects upper network, and consumption module also connects undernet.
Aforesaidly realize in the above-mentioned device based on IEC61850 method for converting protocol, described production module comprises connected network reception module and network event processing module, network reception module also connects upper network and data buffering module, and network event processing module is connection data buffer module also.
Aforesaidly realize in the above-mentioned device based on IEC61850 method for converting protocol, described consumption module comprises the data read module and data processing module that are connected successively, data read module is connection data buffer module also, and data processing module also connects undernet.
Aforesaidly realize in the above-mentioned device based on IEC61850 method for converting protocol, described data processing module comprises the agreement judge module, translation module, data judge module and the model building module that are connected successively, model building module is also connected to self-checking alarming module, functional analysis module and logical node and sets up module, and logical node is set up module and is also connected to sending module; Agreement judge module is also connected to data read module, and sending module is also connected to undernet.
Aforesaidly realize in the above-mentioned device based on IEC61850 method for converting protocol, described data buffering module comprises data storage module, data storage module is connected to data management module, Space Expanding module, space constraint module and production capacity limiting module, data storage module is also connected to production module and consumption module, and production capacity limiting module is connected to network reception module.
Compared with prior art, the present invention adopts technique scheme, the data that intelligent electronic device produces because of the different communication protocol adopted can be converted to data based on IEC61850, enable each system Understanding, realize the communication between each system, and the process of data is put in consumption module and carries out to extract data efficiently from upper network, manage storage data efficiently, carry out intersystem communications efficiently.
Accompanying drawing illustrates:
Fig. 1 is the flow chart of protocol conversion of the present invention;
Fig. 2 is the flow chart that data of the present invention are produced;
Fig. 3 is the flow chart of data consumption of the present invention;
Fig. 4 is the flow chart of data processing of the present invention;
Fig. 5 is structural representation of the present invention.
Reference numeral:
1-production module, 2-data buffering module, 3-consumption module, 4-network reception module, 5-network event processing module, 6-data read module, 7-data processing module, 8-agreement judge module, 9-translation module, 10-data judge module, 11-model building module, 12-self-checking alarming module, 13-functional analysis module, 14-logical node sets up module, 15-sending module, 16-data storage module, 17-data management module, 18-Space Expanding module, 19-space constraint module, 20-production capacity limiting module.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated, but not as the foundation limited the present invention.
Detailed description of the invention
Embodiment.Based on a method for converting protocol of IEC61850, as shown in Figures 1 to 4, by setting data buffer module between production module and consumption module, production module and consumption module is made to produce isolation; Production module realizes data and produces, and data buffering module realizes storage data, and realizes the management of producing result data, support greater room being distributed to needs, to the restriction of maximum space and the restriction to the ability that production module is produced; Consumption module realizes data consumption.
Production module comprises network reception module and network event processing module; The method that data are produced is:
A. network reception module is utilized to receive network event from upper network;
B. utilize network event processing module process network event, if Accept event, receive and new connection put into event queue, if Write event, increase and write counting, if Read event, read the data in network, and data are stored into data buffering module.
Consumption module comprises data read module and data processing module; The method of data consumption is:
A. data read module is utilized to read pending data from data buffering module;
B. the data that data processing module process is read are utilized.
Data processing module comprises agreement judge module, translation module, data judge module, model building module, self-checking alarming module, functional analysis module, logical node set up module and sending module; The step processing the data be read is:
A. utilize agreement judge module to judge the protocol type of data, obtain the protocol type of these data;
The protocol type of these data B. utilizing translation module to obtain according to steps A and the mapping table of this kind of given agreement and IEC61850, translation obtains the data b of these data based on IEC61850;
C. the data b utilizing data judge module to obtain according to the rule analysis step B of IEC61850, determines that data b is analog acquisition value or switch acquisition value;
If D. data b is analog acquisition value, model building module is utilized to set up data object model D according to the rule of IEC61850 to it; Be specially and add I to data object oriented, the suffix sequence number of II, III represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value; If data b is switch acquisition value, model building module is utilized to set up data object model d according to the rule of IEC61850 to it; Be specially and add i to data object oriented, the suffix sequence number of ii, iii represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value;
E. self-checking alarming module is utilized to adopt general inputoutput data object to set up self-checking alarming object model E or self-checking alarming object model e by model building module the data object model D in step D or data object model d;
F. utilize functional analysis module to obtain self-checking alarming object model E that data object model D and step e obtain or step D to step D to obtain the self-checking alarming object model e that data object model d and step e obtain and analyze, be specially, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model E and measured value is utilized to judge, if above-mentioned two numerical value have one at least not in given range, produce action alarm source, subject performance device id, the tripartite relationship table of type of action, model building module is utilized tripartite relationship table to be set up the data object model F representing action, otherwise process terminates, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model e and measured value is utilized to judge, if above-mentioned two numerical value have at least one to be not equal to set-point, produce the tripartite relationship table of action alarm source, subject performance device id, type of action, utilize model building module tripartite relationship table to be set up the data object model f representing action, otherwise process terminate,
G. utilize logical node to set up module the data object model F of expression action is set up logical node G maybe the data object model f of expression action to be set up logical node g;
H. utilize sending module to arrange logical node G or logical node g and send order, send it to undernet.
Communication between complex automatic system and protocol conversion apparatus is realized by serial ports or network mode.
Must pre-define protocol type before realizing communication, as 0x00 represents 101 agreements, 0x02 represents 104 agreements etc.
Serial communication mapping table process of establishing:
Must specify before complex automatic system access protocol conversion equipment on the com port of complex automatic system access protocol conversion equipment, so just bind the relation between protocol type and com port, set up the protocol library array of carrying out index according to serial ports number, set up the relation between protocol library and serial ports, after this, in communication process, the agreement that the data that every from then on com port receives all call binding carries out protocol translation.
Network communication mapping table process of establishing:
Complex automatic system first initiates registration to protocol conversion apparatus, inform which kind of protocol realization exchanges data protocol conversion apparatus will use, after protocol conversion apparatus receives the registration request of comprehensive automation, to represent that the SOCKET of communication link is (unique in a Process Extents, this is that operating system determines) and protocol type binding, foundation take SOCKET as the communication storehouse array of index, and after this in communication process, the data of this SOCKET communication every all adopt the agreement of binding to carry out data translation.
To analog quantity and switching value, whether self-checking alarming model is set up in alarm to self-checking alarming model realization, foundation set up by its model: protocol conversion device provides local configuration or Remote configuration strategy, (analog quantity arranges upper alarm threshold to arrange given range, lower alarm threshold, switching value arranges 0 value alarm, non-zero value alarm, change alarm etc.), when protocol conversion device starts, automatically self-checking alarming module can be started, self-checking alarming module is according to the keyword of data object, analog quantity bound warning value, switching value alarm mark sets up self-checking alarming model, and model is left in model list.
Realize an above-mentioned device based on IEC61850 method for converting protocol, as shown in Figure 5, comprise the production module 1, data buffering module 2 and the consumption module 3 that connect successively, production module 1 also connects upper network, and consumption module 3 also connects undernet.
Production module 1 comprises connected network reception module 4 and network event processing module 5, and network reception module 4 also connects upper network and data buffering module 2, and network event processing module 5 is connection data buffer module 2 also.
Consumption module 3 comprises the data read module 6 and data processing module 7 that are connected successively, and data read module 6 is connection data buffer module 2 also, and data processing module 7 also connects undernet.
Data processing module 7 comprises the agreement judge module 8, translation module 9, data judge module 10 and the model building module 11 that are connected successively, model building module 11 is also connected to self-checking alarming module 12, functional analysis module 13 and logical node and sets up module 14, and logical node is set up module 14 and is also connected to sending module 15; Agreement judge module 8 is also connected to data read module 6, and sending module 15 is also connected to undernet.
Data buffering module 2 comprises data storage module 16, data storage module 16 is connected to data management module 17, Space Expanding module 18, space constraint module 19 and production capacity limiting module 20, data storage module 16 is also connected to production module 1 and consumption module 2, and production capacity limiting module 20 is connected to network reception module 4.
During use, the receiver module from upper network of the network reception module in production module receives network event; Network event processing module process network event, if Accept event, receives and new connection puts into event queue, if Write event, increase and write counting, if Read event, read the data in network, and data are stored into data buffering module.Data read module in consumption module reads pending data from data buffering module, and agreement judge module judges the protocol type of data, obtains the protocol type of these data, translation module is according to the mapping table of the protocol type of these data and this kind of given agreement and IEC61850, and translation obtains the data b of these data based on IEC61850, data judge module, according to the rule analysis data b of IEC61850, determines that data b is analog acquisition value or switch acquisition value, if data b is analog acquisition value, model building module sets up data object model D according to the rule of IEC61850 to it, be specially and add I to data object oriented, the suffix sequence number of II, III represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value, if data b is switch acquisition value, model building module sets up data object model d according to the rule of IEC61850 to it, be specially and add i to data object oriented, the suffix sequence number of ii, iii represents middling speed message (three grades) three kinds of different data object models of 1a tripping operation (one-level), 1b control command (secondary) and measured value, utilize functional analysis module to obtain self-checking alarming object model E that data object model D and step e obtain or step D to step D to obtain the self-checking alarming object model e that data object model d and step e obtain and analyze, be specially, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model E and measured value is utilized to judge, if above-mentioned two numerical value have one at least not in given range, produce action alarm source, subject performance device id, the tripartite relationship table of type of action, the data object model F representing action set up by tripartite relationship table by model building module, otherwise process terminates, middling speed message (three grade) the data object numerical value of functional analysis module to 1a tripping operation (one-level) data object in self-checking alarming object model e and measured value is utilized to judge, if above-mentioned two numerical value have at least one to be not equal to set-point, produce the tripartite relationship table of action alarm source, subject performance device id, type of action, utilize model building module tripartite relationship table to be set up the data object model f representing action, otherwise process terminate, logical node is set up module and the data object model F of expression action is set up logical node G maybe the data object model f of expression action is set up logical node g, sending module arranges logical node G or logical node g and sends order, sends it to undernet.
During use, data storage module in data buffering module is used for storing data, data storage data management module is used for management data, Space Expanding module is used for realizing distributing to greater room the support, the space constraint module that need and is used for realizing the restriction to maximum space, and production capacity limiting module is used for realizing the restriction to the ability that production module is produced.
Claims (6)
1. based on a method for converting protocol of IEC61850, it is characterized in that: by setting data buffer module between production module and consumption module, make production module and consumption module produce isolation; Production module realizes data and produces, and data buffering module realizes storage data, and realizes the management of producing result data, support greater room being distributed to needs, to the restriction of maximum space and the restriction to the ability that production module is produced; Consumption module realizes data consumption;
Described consumption module comprises data read module and data processing module; The method of described data consumption is:
A. data read module is utilized to read pending data from data buffering module;
B. the data that data processing module process is read are utilized;
Described data processing module comprises agreement judge module, translation module, data judge module, model building module, self-checking alarming module, functional analysis module, logical node set up module and sending module; The step of the data that described process is read is:
A. utilize agreement judge module to judge the protocol type of data, obtain the protocol type of these data;
The protocol type of these data B. utilizing translation module to obtain according to steps A and the mapping table of this kind of given agreement and IEC61850, translation obtains the data b of these data based on IEC61850;
C. the data b utilizing data judge module to obtain according to the rule analysis step B of IEC61850, determines that data b is analog acquisition value or switch acquisition value;
If D. data b is analog acquisition value, model building module is utilized to set up data object model D according to the rule of IEC61850 to it; Be specially and add I to data object oriented, the suffix sequence number of II, III represents the different data object model of middling speed message three kinds of 1a tripping operation, 1b control command and measured value; If data b is switch acquisition value, model building module is utilized to set up data object model d according to the rule of IEC61850 to it; Be specially and add i to data object oriented, the suffix sequence number of ii, iii represents the different data object model of middling speed message three kinds of 1a tripping operation, 1b control command and measured value;
E. self-checking alarming module is utilized to adopt general inputoutput data object to set up self-checking alarming object model E or self-checking alarming object model e by model building module the data object model D in step D or data object model d;
F. utilize functional analysis module to obtain self-checking alarming object model E that data object model D and step e obtain or step D to step D to obtain the self-checking alarming object model e that data object model d and step e obtain and analyze, be specially, the middling speed message data object numerical value of functional analysis module to the 1a Tripping data object in self-checking alarming object model E and measured value is utilized to judge, if above-mentioned two numerical value have one at least not in given range, produce action alarm source, subject performance device id, the tripartite relationship table of type of action, model building module is utilized tripartite relationship table to be set up the data object model F representing action, otherwise process terminates, the middling speed message data object numerical value of functional analysis module to the 1a Tripping data object in self-checking alarming object model e and measured value is utilized to judge, if above-mentioned two numerical value have at least one to be not equal to set-point, produce the tripartite relationship table of action alarm source, subject performance device id, type of action, utilize model building module tripartite relationship table to be set up the data object model f representing action, otherwise process terminate,
G. utilize logical node to set up module the data object model F of expression action is set up logical node G maybe the data object model f of expression action to be set up logical node g;
H. utilize sending module to arrange logical node G or logical node g and send order, send it to undernet.
2. the method for converting protocol based on IEC61850 according to claim 1, is characterized in that, described production module comprises network reception module and network event processing module; The method that described data are produced is:
A. network reception module is utilized to receive network event from upper network;
B. network event processing module process network event is utilized; If Accept event, receive and new connection put into event queue; If Write event, increase and write counting; If Read event, read the data in network, and data are stored into data buffering module.
3. one kind realizes the device of claim 1-2 any one based on IEC61850 method for converting protocol, it is characterized in that: comprise the production module (1), data buffering module (2) and the consumption module (3) that connect successively, production module (1) also connects upper network, and consumption module (3) also connects undernet; Described data buffering module (2) comprises data storage module (16), data storage module (16) is connected to data management module (17), Space Expanding module (18), space constraint module (19) and production capacity limiting module (20), data storage module (16) is also connected to production module (1) and consumption module (2), and production capacity limiting module (20) is connected to network reception module (4).
4. according to claim 3ly realize the aforementioned device based on IEC61850 method for converting protocol, it is characterized in that: described production module (1) comprises connected network reception module (4) and network event processing module (5), network reception module (4) also connects upper network and data buffering module (2), and network event processing module (5) is connection data buffer module (2) also.
5. according to claim 4ly realize the aforementioned device based on IEC61850 method for converting protocol, it is characterized in that: described consumption module (3) comprises the data read module (6) and data processing module (7) that are connected successively, data read module (6) is connection data buffer module (2) also, and data processing module (7) also connects undernet.
6. according to claim 5ly realize the aforementioned device based on IEC61850 method for converting protocol, it is characterized in that: described data processing module (7) comprises the agreement judge module (8), translation module (9), data judge module (10) and the model building module (11) that are connected successively, model building module (11) is also connected to self-checking alarming module (12), functional analysis module (13) and logical node and sets up module (14), and logical node is set up module (14) and is also connected to sending module (15); Agreement judge module (8) is also connected to data read module (6), and sending module (15) is also connected to undernet.
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