CN105721391A - Telecontrol information transmission method and telecontrol information transmission device - Google Patents
Telecontrol information transmission method and telecontrol information transmission device Download PDFInfo
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- CN105721391A CN105721391A CN201410720993.XA CN201410720993A CN105721391A CN 105721391 A CN105721391 A CN 105721391A CN 201410720993 A CN201410720993 A CN 201410720993A CN 105721391 A CN105721391 A CN 105721391A
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Abstract
The invention discloses a telecontrol information transmission method and a telecontrol information transmission device. The method comprises the following steps: a child station generates an information transmission frame containing telecontrol encoding information according to preset transmission rules, and sends the information transmission frame to a mother station, wherein the telecontrol encoding information is obtained after telecontrol information is encoded according to preset encoding rules; and the mother station receives the information transmission frame, decodes the telecontrol encoding information carried by the information transmission frame to get the telecontrol information, and records the telecontrol information into a database of the mother station. According to the method disclosed by an embodiment of the invention, the child station generates an information transmission frame containing telecontrol encoding information according to preset transmission rules, and the mother station, after receiving the information transmission frame, decodes the telecontrol encoding information in the information transmission frame to get the telecontrol information and records the telecontrol information into the database of the mother station. Therefore, transmission and automatic import of telecontrol information are completed, and the import efficiency of telecontrol information is improved.
Description
Technical field
The present invention relates to dispatching automation technical field, particularly to transfer approach and the equipment of a kind of telecontrol information.
Background technology
In dispatch automated system, between main website and substation, need to carry out the transmission of telecontrol information, to guarantee that power system is under effective monitoring.
When carrying out the transmission of telecontrol information between main website and substation, need to adopt circulating Telecontrol Protocol, DL451-91 is a kind of conventional circulating Telecontrol Protocol, when adopting this stipulations, main website attendant needs to obtain telecontrol information table from substation, then passing through in the data base that the telecontrol information in telecontrol information table is inserted main website by artificial treatment mode, this lead-in mode needs to expend the substantial amounts of time, and the importing of telecontrol information is inefficient.
In sum it can be seen that the importing efficiency how improving telecontrol information is current problem demanding prompt solution.
Summary of the invention
In view of this, it is an object of the invention to provide the transfer approach of a kind of telecontrol information and equipment, improve the importing efficiency of telecontrol information.Its concrete scheme is as follows:
A kind of transfer approach of telecontrol information, including:
Substation, according to the transmission rule preset, generates the information including telemechanical coding information and transmits frame, send described information and transmit frame to main website, and described telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Described main website receives described information and transmits frame, and the telemechanical coding information that described information transmission frame is carried is decoded reduction, obtains described telecontrol information, and described telecontrol information be recorded the data base in described main website.
Preferably, described transmission rule is to frame structure, and signaling rule, synchronization character, method of calibration and transmitting extended information have specified.
Preferably, described transmitting extended information includes extension control word, extends frame category, extension information word and extension and transmits rule.
Preferably, described coding rule is Unicode coding rule.
Preferably, described Unicode coding rule is UCS-2 coding rule.
Preferably, utilize the coding rule preset obtains described telemechanical coding information process after telecontrol information is encoded to include, utilize described coding rule, described telecontrol information is carried out phrase coding, obtain described telemechanical coding information.
Preferably, described substation sends before the step that information transmits frame to main website, also includes described substation and described main website are carried out station number verification process.
Preferably, described substation sends before the step that information transmits frame to main website, also includes being backed-up processing to the data preserved in described data base.
Preferably, also include, when the telecontrol information described main website record being detected is wrong, described main website being carried out recovering state process.
The transmission equipment of a kind of telecontrol information, including substation and main website；
Described substation, for according to the transmission rule preset, generating the information including telemechanical coding information and transmit frame, send described information and transmit frame to main website, described telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Described main website, is used for receiving described information and transmits frame, and the telemechanical coding information that described information transmission frame is carried is decoded reduction, obtains described telecontrol information, and described telecontrol information be recorded the data base in described main website.
In the present invention, substation is according to the transmission rule preset, generate the information including telemechanical coding information and transmit frame, after main website receives information transmission frame, telemechanical coding information information transmitted in frame is decoded, and obtains telecontrol information, and telecontrol information recorded the data base of main website, thus completing the transmission to telecontrol information and being automatically imported, improve the importing efficiency of telecontrol information.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the transfer approach flow chart of a kind of telecontrol information disclosed by the invention；
Fig. 2 is the transfer approach flow chart of a kind of telecontrol information disclosed in the embodiment of the present invention one.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The invention discloses the transfer approach of a kind of telecontrol information, shown in Figure 1, this transfer approach includes:
Step S101: substation, according to the transmission rule preset, generates the information including telemechanical coding information and transmits frame, and telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Step S102: substation sends information and transmits frame to main website；
Step S103: main website receives information and transmits frame；
Step S104: the telemechanical coding information that information transmission frame is carried by main website is decoded reduction, obtains telecontrol information；
Step S105: telecontrol information be recorded the data base in main website by main website.
In the transfer approach of telecontrol information disclosed above, substation is according to the transmission rule preset, generate the information including telemechanical coding information and transmit frame, after main website receives information transmission frame, telemechanical coding information information transmitted in frame is decoded, and obtains telecontrol information, and telecontrol information recorded the data base of main website, thus completing the transmission to telecontrol information and being automatically imported, improve the importing efficiency of telecontrol information.
Fig. 2 is the transfer approach of a kind of telecontrol information disclosed in embodiment one, and this transfer approach includes:
Step S201: be backed-up processing to the data preserved in the data base of main website；
Step S202: substation, according to the transmission rule preset, generates the information including telemechanical coding information and transmits frame, and telemechanical coding information is utilize coding rule, obtains after telecontrol information is carried out phrase coding；
Step S203: substation sends information and transmits frame to main website；
Step S204: main website receives information and transmits frame；
Step S205: the telemechanical coding information that information transmission frame is carried by main website is decoded reduction, obtains telecontrol information；
Step S206: telecontrol information be recorded the data base in main website by main website.
Step S207: when telecontrol information main website record being detected is wrong, main website is carried out recovering state process.
Transmission rule in step S202 obtains after the circulating Telecontrol Protocol of DL451-91 is carried out Information expansion, this transmission rule is to frame structure, signaling rule, synchronization character, method of calibration and transmitting extended information have specified, wherein, relevant frame structure in this transmission rule, signaling rule, synchronization character, the regulation of method of calibration is consistent with the circulating Telecontrol Protocol of DL451-91, this transmission rule and the circulating Telecontrol Protocol of DL451-91 differ primarily in that, description about transmission information in the circulating Telecontrol Protocol of DL451-91 has been extended by this transmission rule, obtain corresponding transmitting extended information, wherein, transmitting extended information includes extension control word, extension frame category, extension information word and extension transmit rule.
Separately below for extension control word, extending frame category, extension information word and extension transmit rule and are described in detail.
Extension control word is to have obtained after the control word in the circulating Telecontrol Protocol of DL451-91 has carried out extension, extension control word includes control byte, frame category, information number of words, location, source station, purpose site and check code, wherein, adding information field in control byte, this information field is extension flag, when extending the numerical value corresponding to flag and being 0, use defined frame category in the circulating Telecontrol Protocol of DL451-91, when extending the numerical value corresponding to flag and being 1, then frame category can be defined separately, in order to expanded function.During owing to transmitting telecontrol information, it is necessary to define new frame category, so extension flag is set to 1, other positions of extension flag then remain unchanged, and so, control byte, by commonly use 71, becomes F1.
Extension frame category is to have obtained after the frame category in the circulating Telecontrol Protocol of DL451-91 has carried out extension, in the present embodiment, adds 4 kinds of frame categories, and their frame category code name respectively A0H, A1H, A2H and A3H, about the definition of these 4 kinds of frame categories referring to table 1.
Table 1
Extension information word is to have obtained after the information word in the circulating Telecontrol Protocol of DL451-91 has carried out extension, and extension information word includes function code, information code and check code, wherein, function code accounts for 1 byte, and information code accounts for 4 bytes, check code accounts for 1 byte, about the definition of function code referring to table 2.
Table 2
| Function code code name | Number of words | Purposes |
| EAH | 1 | Information period |
| EBH | 1 | Validation of information |
| 93H～9FH | 13 | Name of the information |
It is that transmitting after rule has carried out extension in the circulating Telecontrol Protocol of DL451-91 is obtained that extension transmits rule, preferably, every frame data transmit a telecontrol information, every telecontrol information is less than 26 Chinese characters, after receiving acknowledgement frame, send next frame data, without receiving acknowledgement frame, then can Selective resending frame data, could dictate that and retransmit three times at most；It addition, may also dictate that, it is the highest that telecontrol information transmits priority, when transmitting telecontrol information, forbids inserting other frame；Secondly, may also dictate that transmission process can be initiated by substation, it is possible to being initiated by main website, substation then responds；The transmission process of telecontrol information recovers normally uploading of other frames after terminating.
In step S202, coding rule is Unicode (Unicode, i.e. Unicode) coding rule, it is preferred that Unicode coding rule is UCS-2 coding rule.In the present embodiment, have employed the mode of phrase coding telecontrol information has been encoded, relative to single character code, phrase coding is favorably improved the efficiency of transmission of information, such as some conventional power specialty phrases can be encoded, as to " gaining merit ", " idle ", " electric current ", " voltage ", " switch ", " disconnecting link ", " reclosing " and " control loop template " etc. carry out phrase coding, so, when transmitting the information of identical number of words, adopt the quantity of information that the quantity of information that phrase coding obtains to obtain much smaller than employing single character code, thus improve the efficiency of transmission of information.
In order to improve the safety of transmitting procedure, before substation sends, to main website, the step that information transmits frame, it is also possible to substation and main website are carried out station number verification process.Furthermore it is possible to arrange specified account in main website, the process transmitting telecontrol information, by logging in this specified account, is managed by manager.
After the telecontrol information in substation is destroyed, it is possible to reversely send the telecontrol information preserved in main website data base to substation, improve the processing speed to fault.Whether the telecontrol information of all right periodic verification substation is consistent with the telecontrol information in main website, thus scenting a hidden danger in time, and makes hidden danger Processing for removing early.
In the transfer approach of telecontrol information disclosed in the present embodiment one, before transmitting telecontrol information, first it is backed-up processing to the data preserved in the data base of main website, improves data recovery capabilities；Secondly, have employed the mode of phrase coding and telecontrol information has been encoded, relative to single character code, phrase coding is favorably improved the efficiency of transmission of information；Before substation sends, to main website, the step that information transmits frame, substation and main website being carried out station number verification process, the process transmitting telecontrol information, by logging in specified account, is managed, thus improve the safety of transmitting procedure by manager；After the telecontrol information in substation is destroyed, it is possible to reversely send the telecontrol information preserved in main website data base to substation, improve the processing speed to fault；Whether the telecontrol information of all right periodic verification substation is consistent with the telecontrol information in main website, thus scenting a hidden danger in time, and makes hidden danger Processing for removing early.
The invention also discloses the transmission equipment of a kind of telecontrol information, including substation and main website；
Substation, for according to the transmission rule preset, generating the information including telemechanical coding information and transmit frame, the information that sends transmits frame to main website, and telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Main website, is used for the information that receives and transmits frame, and the telemechanical coding information that information transmission frame is carried is decoded reduction, obtains telecontrol information, and telecontrol information recorded the data base in main website.
In the transmission equipment of telecontrol information disclosed above, substation is according to the transmission rule preset, generate the information including telemechanical coding information and transmit frame, after main website receives information transmission frame, telemechanical coding information information transmitted in frame is decoded, and obtains telecontrol information, and telecontrol information recorded the data base of main website, thus completing the transmission to telecontrol information and being automatically imported, improve the importing efficiency of telecontrol information.
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Finally, it can further be stated that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Transfer approach and equipment to a kind of telecontrol information provided by the present invention are described in detail above, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the transfer approach of a telecontrol information, it is characterised in that including:
Substation, according to the transmission rule preset, generates the information including telemechanical coding information and transmits frame, send described information and transmit frame to main website, and described telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Described main website receives described information and transmits frame, and the telemechanical coding information that described information transmission frame is carried is decoded reduction, obtains described telecontrol information, and described telecontrol information be recorded the data base in described main website.
2. the transfer approach of telecontrol information according to claim 1, it is characterised in that described transmission rule is to frame structure, and signaling rule, synchronization character, method of calibration and transmitting extended information have specified.
3. the transfer approach of telecontrol information according to claim 2, it is characterised in that described transmitting extended information includes extension control word, extends frame category, extension information word and extension and transmits rule.
4. the transfer approach of the telecontrol information according to any one of claims 1 to 3, it is characterised in that described coding rule is Unicode coding rule.
5. the transfer approach of telecontrol information according to claim 4, it is characterised in that described Unicode coding rule is UCS-2 coding rule.
6. the transfer approach of the telecontrol information according to any one of claims 1 to 3, it is characterized in that, the coding rule preset obtains described telemechanical coding information process after telecontrol information is encoded is utilized to include, utilize described coding rule, described telecontrol information is carried out phrase coding, obtains described telemechanical coding information.
7. the transfer approach of the telecontrol information according to any one of claims 1 to 3, it is characterised in that described substation sends before the step that information transmits frame to main website, also includes described substation and described main website are carried out station number verification process.
8. the transfer approach of the telecontrol information according to any one of claims 1 to 3, it is characterised in that described substation sends before the step that information transmits frame to main website, also includes being backed-up processing to the data preserved in described data base.
9. the transfer approach of the telecontrol information according to any one of claims 1 to 3, it is characterised in that also include, when the telecontrol information described main website record being detected is wrong, described main website being carried out recovering state process.
10. the transmission equipment of a telecontrol information, it is characterised in that include substation and main website；
Described substation, for according to the transmission rule preset, generating the information including telemechanical coding information and transmit frame, send described information and transmit frame to main website, described telemechanical coding information is, utilizes the coding rule preset to obtain after telecontrol information is encoded；
Described main website, is used for receiving described information and transmits frame, and the telemechanical coding information that described information transmission frame is carried is decoded reduction, obtains described telecontrol information, and described telecontrol information be recorded the data base in described main website.
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