CN105262718A - Plant-station multi-protocol access method based on pipes and agency - Google Patents
Plant-station multi-protocol access method based on pipes and agency Download PDFInfo
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- CN105262718A CN105262718A CN201510556365.7A CN201510556365A CN105262718A CN 105262718 A CN105262718 A CN 105262718A CN 201510556365 A CN201510556365 A CN 201510556365A CN 105262718 A CN105262718 A CN 105262718A
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- service processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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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
Abstract
The invention relates to a plant-station multi-protocol access method based on pipes and an agency. The method is characterized in that resolution of each protocol is taken as a separate process, and an interaction between uplink data and downlink data is finished through a communication access agency module and a service processing module. The method comprises the following steps that: each protocol resolution process downwardly interacts with each data source, and upwardly interacts with the communication access agency module through a pipe communication mechanism; the communication access agency module loads an interface of a process communication management module to perform an inter-process communication; and the service processing module loads the communication access agency module in order to finish accessing of data. According to the method, hardware equipment is replaced by software, so that the hardware cost is saved; an intermediate link of data transmission is omitted; the fault probability is lowered; and the transmission efficiency and reliability are improved. Compared with a single-protocol access way, the plant-station multi-protocol access method has the advantages that coupling between a protocol resolution module and the service processing module is lowered; only a new protocol resolution process needs to be developed when a new protocol needs to be accessed; and the expandability of a system is enhanced.
Description
Technical field
The present invention relates to a kind of plant stand many stipulations cut-in method based on pipeline and agency, belong to power system automation technology field.
Background technology
Power system automatic field, for multi-protocols application scenarioss such as industrial concentrator stations, the method that the access of current many stipulations generally adopts increases communication manager, by communication manager, multi-protocols changed into unified agreement access supervisory control system.Adopt the mode increasing communication manager, not only increase hardware cost, and add the physical link of transfer of data, during communication abnormality, need the possible breakdown point of investigation to increase.
In addition, for only supporting the supervisory control system that single agreement accesses, Business Processing process directly loads protocol resolution module and completes data access.In this mode, uplink and downlink protocol data has been adjusted back by interface, between protocol resolution module and Business Processing process, coupling is high, module extensibility is poor, when having newtype protocol data to access, need directly amendment two aspect codes just can complete, be unfavorable for the expansion that multi-protocol data accesses.
Summary of the invention
The object of this invention is to provide a kind of plant stand many stipulations cut-in method based on pipeline and agency, need additionally to increase hardware device and supervisory control system Service Processing Module and protocol resolution module coupling is high, poor expandability problem to solve existing many stipulations cut-in method.
The present invention solves the problems of the technologies described above to provide a kind of plant stand many stipulations cut-in method based on pipeline and agency, this cut-in method using the parsing of each agreement as an independent process, complete the mutual of up, downlink data by communication access proxy module and Service Processing Module, comprise the following steps:
1) each protocol analysis process is mutual with each data source downwards, upwards adopts pipe-line communication mechanism and communication to access proxy module mutual;
2) interface of communication access proxy module loading process communication administration module completes the communication between process;
3) Service Processing Module adds the access that carrier communication access proxy module completes data.
Described step 1) in pipe-line communication mechanism adopt semiduplex data transfer mode, data, only to a direction transmission, up, descendingly adopt corresponding pipeline respectively.
Described communication access proxy module provides downlink data funcall by interface ICSF_APP_Interface, by interface ICSF_APP_CallBackInterface, upstream data is gone to Service Processing Module.
Described communication access proxy module accesses upstream data, the down order of forwarding service processing module from each protocol analysis process.
The invention has the beneficial effects as follows: the present invention using the parsing of each agreement as an independent process, the mutual of uplink and downlink data is completed by communication access proxy module and Service Processing Module, each protocol analysis process is mutual with each data source downwards, upwards adopts pipe-line communication mechanism and communication to access proxy module mutual; The interface of communication access proxy module loading process communication administration module carries out the communication between process, and Service Processing Module adds the access that carrier communication access proxy module completes data.The present invention's software simulating alternative hardware equipment, not only saves hardware cost, and saves the intermediate link of transfer of data, decrease the probability broken down, improve efficiency of transmission and reliability.Contrast single gauge is about access way, present invention reduces the coupling of protocol resolution module and Service Processing Module, when having New Deal to need to access, only need develop new protocol analysis process, improve the extensibility of system.
Accompanying drawing explanation
Fig. 1 is the many stipulations cut-in method network structure that the present invention is based on pipeline and agency;
Fig. 2 is the many stipulations cut-in method multi-process communication access figure that the present invention is based on pipeline and agency;
Fig. 3 is the many stipulations cut-in method pipe-line communication schematic diagram that the present invention is based on pipeline and agency;
Fig. 4 is the many stipulations cut-in method service broker schematic diagram that the present invention is based on pipeline and agency;
Fig. 5 is mutual the adopted CSF object view of up-downgoing transfer of data of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
The present invention is directed to the needs of power system automatic field industry concentrator station multi-protocols application scenarios, provide a kind of plant stand many stipulations cut-in method based on pipeline and agency, the method for electric power supervisory control network configuration as shown in Figure 1, the data source of various agreement is connected by station level switchboard direct send background monitoring system, the data source of the various agreements in the present embodiment comprises 61850 agreements, 104 agreements and 103 agreements etc., the protocol type of each data source is configured with in Monitor and Control System, communications parameter etc., each protocol analysis process is set up communication with the data source of corresponding protocol type accordingly and is connected, start up-downgoing exchanges data, multi-process communication access as shown in Figure 2.
Each protocol analysis process is mutual with each data source downwards, upwards access proxy module commagency by Inter-Process Communication mechanism and communication mutual, each protocol analysis process and communication access proxy module commangency mutual as shown in Figure 3, each protocol analysis process and communication access proxy module commangency all load the interface of process communication administration module ipcmgscomps, carry out Inter-Process Communication.
Process communication administration module ipcmgscomps adopts pipeline mechanism, half-duplex data transmission means, data only roll (transmission) to a direction, up, descendingly set up pipeline respectively, each pipeline support one to one, the mode of one-to-many, transfer of data has receiving terminal, transmitting terminal, and a receiving terminal can receive the data of multiple transmitting terminal transmission, and a transmitting terminal also can send the data to multiple receiving terminal.
In the present embodiment, communication access proxy module commagency and Service Processing Module taskserver is deployed in same process, as shown in Figure 4, communication access proxy module commagency realizes interface ICSF_APP_Interface, downlink data funcall is provided, and rely on interface ICSF_APP_CallBackInterface, upstream data is gone to Service Processing Module taskserver.Communication access proxy module commagency, by interaction mechanism between above-described process, accesses upstream data from each protocol analysis process, the down order of forwarding service processing module taskserver.
Access the course of work of proxy module and Service Processing Module below for communication, for the access procedure of 61850 agreements, introduce concrete implementation step.
1. protocol resolution module and data source
Based on communications parameter configurations such as IED device communication protocol type, IP, addresses in repository, protocol resolution module comm61850 and 61850 data sources are set up communication and are connected, and carry out data interaction according to 61850 agreements.
2. protocol analysis process and communication access proxy module
61850 protocol resolution module and communication access the process communication mechanism that proxy module commagency specifies according to process communication administration module, set up it for transmitting terminal by 61850 protocol resolution module, and communication access proxy module is the data feedback channel of receiving terminal; Access proxy module by communication and set up it for transmitting terminal, 61850 protocol resolution module are the down going channel of receiving terminal.The mutual object of up-downgoing is CSF object, and CSF object view as shown in Figure 5.Expand CSF object type CCSF_SDO_CommPara in this method, preserve interaction parameter.Pipeline data type is defined in CCSF_SDO_CommPara, as shown in table 1.In up-downgoing interaction data list object, first object is fixed as CCSF_SDO_CommPara data, and receiving terminal determines business processing flow according to CCSF_SDO_CommPara.
Table 1
| Data type | Describe |
| COMMPARA_REPORT | Report data |
| COMMPARA_CHANNEL | Channel status |
| COMMPARA_DOWNCMD | Down order |
| COMMPARA_UPCMD | Order returns |
3. communication access proxy module commagency and Service Processing Module taskserver
The downlink data that Service Processing Module taskserver is issued by interface ICSF_APP_Interface by communication access proxy module commagency transfers to protocol analysis process comm61850 process through downstream pip.And the upstream data that protocol analysis process comm61850 sends here via up-hill line, communication access proxy module commagency relies on interface ICSF_APP_CallBackInterface, goes to Service Processing Module taskserver.Protocol analysis process comm61850 and Service Processing Module taskserver, need according to data type for the data received, differentiating and processing.
Above embodiment only understands core concept of the present invention for helping; the present invention can not be limited with this; to those skilled in the art; every according to thought of the present invention; it is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection scope of the present invention.
Claims (4)
1. the plant stand many stipulations cut-in method based on pipeline and agency, it is characterized in that, the parsing of each agreement as an independent process, is completed the mutual of up, downlink data by communication access proxy module and Service Processing Module, comprises the following steps by this cut-in method:
1) each protocol analysis process is mutual with each data source downwards, upwards adopts pipe-line communication mechanism and communication to access proxy module mutual;
2) interface of communication access proxy module loading process communication administration module completes the communication between process;
3) Service Processing Module adds the access that carrier communication access proxy module completes data.
2. the plant stand many stipulations cut-in method based on pipeline and agency according to claim 1, it is characterized in that, described step 1) in pipe-line communication mechanism adopt semiduplex data transfer mode, data, only to a direction transmission, up, descendingly adopt corresponding pipeline respectively.
3. the plant stand many stipulations cut-in method based on pipeline and agency according to claim 2, it is characterized in that, described communication access proxy module provides downlink data funcall by interface ICSF_APP_Interface, by interface ICSF_APP_CallBackInterface, upstream data is gone to Service Processing Module.
4. the plant stand many stipulations cut-in method based on pipeline and agency according to claim 3, is characterized in that, described communication access proxy module accesses upstream data, the down order of forwarding service processing module from each protocol analysis process.
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| CN105262718B CN105262718B (en) | 2018-11-09 |
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| CN101119392A (en) * | 2007-08-21 | 2008-02-06 | 南京联创科技股份有限公司 | SOCKET united access method |
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