CN103019980A - Control method for information flow of power distribution network based on IEC(International Electrotechnical Commission) 61968 standard - Google Patents
Control method for information flow of power distribution network based on IEC(International Electrotechnical Commission) 61968 standard Download PDFInfo
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- CN103019980A CN103019980A CN201210457435XA CN201210457435A CN103019980A CN 103019980 A CN103019980 A CN 103019980A CN 201210457435X A CN201210457435X A CN 201210457435XA CN 201210457435 A CN201210457435 A CN 201210457435A CN 103019980 A CN103019980 A CN 103019980A
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Abstract
The invention provides a control method for an information flow of a power distribution network based on an IEC(International Electrotechnical Commission) 61968 standard. The control method comprises the following steps: before transmitting data by an adapter and a bus of an application system, obtaining a theme list and a token by the adapter; when information sent by the adapter reaches the bus, performing token comparison; after passing the verification, starting an information transmission process; causing the verified or format-converted information to enter into an information flow control module of the bus and starting information transmission; sending the information to the adapter of a related application system; and at a transmission moment, when the information sending volume of the adapter of each application system exceeds the load endured by the bus running, controlling the running state of the adapter of the application system by the information flow control module of the bus according to the priority of the information. According to the control method provided by the invention, the data can be kept under a uniform and standard format; the safety of the data transmission is increased; and the potential risks at the aspects of safety, load, and the like, during the running process of the bus are reduced, so that the stable and high-efficient running of an information interaction bus is ensured.
Description
Technical field
The invention belongs to power distribution network information integration and interoperation field, be specifically related to a kind of power distribution network information flow control method based on IEC 61968 standards.
Background technology
In the power industry informatization of China, the infosystem One's name is legion of field of distribution network, professional complicated, often need to run through a plurality of infosystems and realize data sharings, so information integrated be the key point of power distribution network informatization.In recent years, development along with intelligent grid, interoperability becomes the integrated up-to-date target of distribution information, IEC 61968 standards become the integrated common recognition of power distribution network information, and many power supply enterprises progressively become the mode from point-to-point information set and are transitioned into intergration model based on message exchange bus and SOA service architecture.
IEC 61968 standards are by formulating unified distribution common information model, unified message format and unified service interface, for the power distribution network interoperability lays the first stone.Yet owing to lacking the relevant functional specification of information flow control, the bus that power distribution network is relevant usually runs into following point in actual motion:
Be embodied in the control measure of the audit, strobe utility and the information flow that lack transferring content.If for the filtration of transferring content, in case invalid information is arranged when bus is transmitted, can not cause the acceleration of invalid information to propagate.In addition, also can make a large amount of redundancy message of transmission on the bus, increase the invalid operating load of bus.If lack the control for information flow, will cause bus resource to use inhomogeneous, unreasonable.In this case, when bulk information transmits in bus, and when surpassing bus data amount load, can't effectively control data transmission amount and so that the large increase that has a big risk of bus collapse.
By the analysis and summary to the problems referred to above, draw the solution thinking of Problems Existing: should change to the bus focus control mode from present take adapter/application system as main decentralised control pattern, realize information flow control mainly for following three aspects: deficiency:
1. information control is not tight.Main manifestations is that information flow comprises illegal contents, do not meet message format standard etc.
2. lack information flow layout and control function.Main manifestations is for realizing the control to information flow circulation direction and corresponding authority.
3. lack information flow control function in service.Main manifestations is for realizing in the bus operational process control to adapter state.
Summary of the invention
For the deficiencies in the prior art, a kind of power distribution network information flow control method based on IEC 61968 standards of the present invention, make data keep form unified, standard, improved the security of data transmission, reduced bus aspect potential risks such as safety and load in operational process, thereby ensured that information interactive bus is stable, efficiently operation.
A kind of power distribution network information flow control method based on IEC 61968 standards provided by the invention, its improvements be, before the adapter of application system and bus were carried out data transmission, adapter obtained topic list and token from bus; When the message of adapter transmission arrives bus, carry out the token contrast; If token information is consistent, namely by checking, the message flow of bus is to the transfer process of control module initiation message, the message that message body control module by bus sends adapter is carried out verification or based on the format conversion of IEC 61968, then enter message flow control module and the initiation message transmission of bus by the message of verification or format conversion, message is passed to the adapter of related application system; During transmission, when the message traffic volume that each application system adapter occurs surpasses load that the bus operation carries or other and affects the situation such as bus operation, the message flow control module of bus is controlled the running status of application system adapter according to the priority of message.Of the present invention other affects the situation such as bus operation and comprises 1) bus message transmission fault (comprising network failure), 2) transmission quantity of message is excessive, surpasses bus normal running load, 3) situations such as adapter fails of application system.
Wherein, the message flow of bus comprises adapter setup control pattern to control module: publish/subscribe pattern and request/response pattern.
Wherein, when the message that described adapter transmits arrives bus, carry out the token contrast, refer to the token information of bus and the token information in the adapter message are done verification, if described token information is consistent, then enter message flow to control module and initiation message transmission.
Wherein, described token information verification comprises authorization check.
Wherein, message body control module message that adapter is sent is carried out verification and is comprised grammer verification and semantic verification.
Wherein, the running status of described application system adapter comprises startup or halted state; If bus is suspended described application system adapter, treat to start when bus is normal described application system adapter.
Compared with the prior art, beneficial effect of the present invention is:
The present invention adopts the imformosome control module, it is based on IEC 61968 power distribution network common information models and XMLSchema message specification, development imformosome control module, the information content to transmission is carried out semanteme and grammer verification, the integrality of guarantee information, validity and consistance realize the exchange of error correction information and quality data.
The present invention adopts the information flow control module, it is towards request/response and two kinds of power distribution network message exchanges of publish/subscribe basic model, development possesses the information flow layout, information flow path flows to control module by the power distribution network with verifying function, has realized by transparent and security information exchange between the application system under the message exchange bus centralized control.
The present invention adopts the information flow control module, it is based on bus ACTIVE CONTROL thinking, development possesses the distribution information flow control module of the functions such as adapter on off control, transfer rate control, priority control, realizes key message exchange and system stability under the high load condition.
This patent adopts IEC 61968 technical manuals as the format standard of message carrier, adds on this basis the control technology of bus.Adapter has namely possessed to bus and has carried out the most important condition that message is transmitted by after the bus grant.In the exchange process that carries out message, could formally enter data transmission queue after at first must detecting through the bus data correction verification module.By this two-stage security mechanism, make data keep form unified, standard, the security that has improved data transmission has reduced bus aspect potential risks such as safety and load in operational process, thereby ensures that information interactive bus is stable, efficiently operation.
Description of drawings
Fig. 1 is general function frame diagram provided by the invention.
Fig. 2 is information flow control functional structure chart provided by the invention.
Fig. 3 is information flow carrier control sequence figure provided by the invention.
Fig. 4 is information flow control sequence chart provided by the invention.
Fig. 5 is information flow control sequence figure provided by the invention.
Fig. 6 is information transmission sequence figure provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
A kind of power distribution network information flow control method based on IEC 61968 standards that the present embodiment proposes, its general function frame diagram as shown in Figure 1, and its overall procedure is: before adapter and bus are carried out data transmission, the message flow of bus is set authority and control model to control module to adapter, examine the message that is sent by adapter by the message body control module of bus again, the message that audit is passed through then enters message flow control module and the initiation message transmission of bus; During transmission, when the message traffic volume between each application system surpassed setting value, the message flow control module of described bus was set the priority of described message, the running status of control application system.
The flow process of the present embodiment uses module to comprise that message flow is to control module, message body control module and message flow control module, wherein:
Message flow is to control module: before message arrived bus, adapter at first obtained the theme permissions list that self has from bus, and carried out accordingly the foundation that message sends.
Message body control module: at first initiate message send request to bus by adapter, then by the message body control module of bus the message that receives is carried out the token information verification, the token information that is about in token information and the session compares, if information is consistent, then enter message flow to the formal initiation message transmission of control, after Message Processing is finished, the result is returned adapter.
The message flow control module: bus is in operational process, when the message traffic volume between each application system surpasses set value, bus can be controlled according to the priority of message subject the running status of application system, thereby reduces the transmission quantity of message temporarily, as shown in Figure 4.When volume of transmitted data drops to certain limit, start the application system that has stopped, and continue to send temporary message, then bus is namely recovered normal operation.
As shown in Figure 2, when carrying out exchanges data between bus and adapter, between the multibus, bus message body control module need to be carried out verification and does invalid information and filter the data that receive.Flow control module by bus message can be according to bus self-operating situation, and good priority rule stops or the actuating section adapter to utilize customization, and the guarantee bus is moved safely and steadly.
As shown in Figure 3, after the application system adapter was sent to the message exchange bus with message body, bus was carried out authorization check, grammer verification, semantic verification to message body respectively, and the three is by entering the bus transfer formation afterwards, otherwise the result is returned adapter, the end circulation.
The present embodiment is existing to come recommended information to flow to control as an example of the request/response pattern example, as shown in Figure 4.Application system 1 adapter is sent to bus with message body first, and bus is received rear feeding back confirmation message.Then bus is with the message of the request/response pattern that receives, after the message route, find out the adapter of message response, when finding target side to be the adapter of application system 2, carry out identity validation according to token information, then send the Message Processing request and carry out respective handling by rear, after finishing the result returned to and use application system 1 adapter.
Utilize the priority level of message transfer on the bus, dynamically suspend according to the operating position of resource in the bus operational process, perhaps start the transmission of messages of specific adaptors, thus the risk when solving the bus overload operation, and the guarantee bus is moved safely and steadly.As shown in Figure 5, when the bus operation surpasses rated load, send halt instruction according to the priority that has configured to the low adapter of priority, stop the message send and receive of all these adapters, treat to resend again when bus resource is normal enabled instruction to adapter.For example priority is 1,2 and 3 from high to low, 3 the message that then the message flow control module of bus can be low with priority for application system transient state, when waiting front priority 1,2 to handle, restart application system corresponding to priority 3 message.
For message transmitting procedure is made a more detailed description, existing take request/corresponding modes of sending message as example, adopt the sequence chart form to embody mutual between the object, its whole transfer sequence figure is as shown in Figure 6.The adapter of application system 1 by bus message flow control, bus message sports school tests and bus message flows to control, the most effectively information is passed to the adapter of application system 2.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the power distribution network information flow control method based on IEC 61968 standards is characterized in that, before the adapter of application system and bus were carried out data transmission, adapter obtained topic list and token from bus; When the message of adapter transmission arrives bus, carry out the token contrast; If token information is consistent, namely by checking, the message flow of bus is to the transfer process of control module initiation message, the message that message body control module by bus sends adapter is carried out verification or based on the format conversion of IEC 61968, then enter message flow control module and the initiation message transmission of bus by the message of verification or format conversion, message is passed to the adapter of related application system; During transmission, when the message traffic volume that each application system adapter occurs surpasses load that the bus operation carries or other and affects the situation such as bus operation, the message flow control module of bus is controlled the running status of application system adapter according to the priority of message.
2. information flow control method as claimed in claim 1 is characterized in that, the message flow of bus comprises adapter setup control pattern to control module: publish/subscribe pattern and request/response pattern.
3. information flow control method as claimed in claim 1, it is characterized in that, when the message that described adapter transmits arrives bus, carry out the token contrast, refer to the token information of bus and the token information in the adapter message are done verification, if described token information is consistent, then enter message flow to control module and initiation message transmission.
4. information flow control method as claimed in claim 3 is characterized in that, described token information verification comprises authorization check.
5. information flow control method as claimed in claim 1 is characterized in that, the message that the message body control module sends adapter is carried out verification and comprised grammer verification and semantic verification.
6. information flow control method as claimed in claim 1 is characterized in that, the running status of described application system adapter comprises startup or halted state; If bus is suspended described application system adapter, treat to start when bus is normal described application system adapter.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103368693A (en) * | 2013-07-04 | 2013-10-23 | 国家电网公司 | Method for reliably transmitting data of power distribution network information exchange bus |
| CN105530249A (en) * | 2015-05-22 | 2016-04-27 | 国网青海省电力公司西宁供电公司 | IEC61968 standard adapter based distribution network service integration method |
| CN108494649A (en) * | 2018-01-30 | 2018-09-04 | 中国航天电子技术研究院 | The bus system and data transmission method being combined with homogeneous state time slot based on poll |
| CN108509365A (en) * | 2018-01-23 | 2018-09-07 | 东莞市爱协生智能科技有限公司 | A kind of data transmission method and system of DBI |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103368693A (en) * | 2013-07-04 | 2013-10-23 | 国家电网公司 | Method for reliably transmitting data of power distribution network information exchange bus |
| CN103368693B (en) * | 2013-07-04 | 2016-12-28 | 国家电网公司 | A kind of method of power distribution network interexchange bus reliable data transmission |
| CN105530249A (en) * | 2015-05-22 | 2016-04-27 | 国网青海省电力公司西宁供电公司 | IEC61968 standard adapter based distribution network service integration method |
| CN108509365A (en) * | 2018-01-23 | 2018-09-07 | 东莞市爱协生智能科技有限公司 | A kind of data transmission method and system of DBI |
| CN108494649A (en) * | 2018-01-30 | 2018-09-04 | 中国航天电子技术研究院 | The bus system and data transmission method being combined with homogeneous state time slot based on poll |
| CN108494649B (en) * | 2018-01-30 | 2021-01-15 | 中国航天电子技术研究院 | Bus system based on combination of polling and uniform time slot and data transmission method |
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Application publication date: 20130403 |