CN101957867B - Data caching method in disconnection state of distributed application of power dispatching automation system - Google Patents
Data caching method in disconnection state of distributed application of power dispatching automation system Download PDFInfo
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- CN101957867B CN101957867B CN 201010524579 CN201010524579A CN101957867B CN 101957867 B CN101957867 B CN 101957867B CN 201010524579 CN201010524579 CN 201010524579 CN 201010524579 A CN201010524579 A CN 201010524579A CN 101957867 B CN101957867 B CN 101957867B
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Abstract
The invention discloses a data caching method in a disconnection state of the distributed application of a power dispatching automation system, which is characterized by comprising the following steps of: (1) circularly detecting whether the application of a local system operates in the disconnection state or not by a system operating state detection module, continuously detecting if conditions are not met, and starting a data caching module after the conditions are met, wherein the data caching module includes a historical sampling data caching module, a historical alarm record caching module and a manual operation data caching module according to different caching data types; (2) caching plant station data administrated in a disconnection area, and generating a historical sampling data file; (3) increasing a disconnection label in the content of alarm information during disconnection, and generating a historical alarm record into a data file; and (4) caching various operation information into a local real-time library by adopting different storage modes through the manual operation data caching module. The invention can effectively prevent the loss of system application data during the disconnection, thereby ensuring the integrity of the data.
Description
Technical field
The invention belongs to the electric power network technique field, the present invention relates to data cache method under the electric power scheduling automatization system Distributed Application off-the-line state more precisely.
Background technology
In the Distributed Application dispatch automated system, under the normal condition, distribution application system links to each other through backbone network, and each is used through network remote and obtains the application function that the main system application service realizes the one's respective area.Occur obtaining the failure condition of main system application service as if the one's respective area, use unusual or Distributed Application networking interruption like main system, then system is in subregion off-the-line running status.The zone that is each off-the-line becomes the application main system separately, thereby keeps the normal operation of system's application function.But be in the normal operation that the system that separates column region can only realize the SCADA real-time monitoring and control this moment, several problems below still existing:
1. the measurement historical data that stands under the off-the-line state of off-the-line factory that district system is administered can't be preserved.
2. the alarm history data that stand under the off-the-line state of off-the-line factory that district system is administered can't be preserved.
3. the manually-operated record of off-the-line district system under the off-the-line state can't be preserved.
Summary of the invention
The technical matters that the present invention solved provides data cache method under the electric power scheduling automatization system Distributed Application off-the-line state; Can effectively avoid losing of system applies data during the off-the-line; Thereby guaranteeing that system recovery is postrun can recover according to the data in buffer file; Guarantee the integrality of data, ensure electric power netting safe running.
For solving the problems of the technologies described above, the present invention provides data cache method under the electric power scheduling automatization system Distributed Application off-the-line state, it is characterized in that may further comprise the steps:
1) whether system running state detecting module cycle detection one's respective area system applies is in the operation of off-the-line state, and condition does not satisfy then continuation and detects, and condition satisfies back log-on data cache module; Data cache module is divided into history samples data cache module, history alarm record buffer memory module and manually-operated data cache module according to data cached type difference;
2) trigger the history samples data cache module after the system sectionalizing automatically, after system time arrived the history samples time point, the history samples data cache module was sampled to the factory station data of administering in the zone, and generated the history samples data file;
3) automatic triggering history alarm record buffer memory module after the system sectionalizing, history alarm record buffer memory module startup back with increase " off-the-line " mark in the warning information content, and is write down generation with history alarm and is alarmed recording data files after receiving warning information;
4) trigger the manually-operated data cache module after the system sectionalizing automatically; Manually-operated data cache module circular wait operation information message; After receiving the manually-operated infomational message, take different storage modes that these operation informations are cached in the local storehouse in real time according to operation information type of message difference.
Data cache method under the aforesaid electric power scheduling automatization system Distributed Application off-the-line state; It is characterized in that: in said step 2) in; The history samples data cache module is obtained all factory's station information lists of one's respective area from model bank; From model bank, obtain all measuring points and factory thereof station information, form the message queue of sampling measuring point; The message queue of historical data cache module circulating sampling measuring point judges whether sampled point belongs to the one's respective area, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, obtains the quality of data of measuring point after condition satisfies, log-on data quality judge module; Quality of data judge module judges whether the quality of data of this measuring point is qualified, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, and condition satisfies the sample information formation that then this measuring point is inserted into the one's respective area; Form the message queue that under the off-the-line state need sample in the one's respective area after having traveled through all sampling measuring point message queues, local history samples service module is submitted in this formation; Local history samples module is carried out the historical data sampling according to one's respective area sample information formation to all measuring point datas in the formation, and net result is generated as file cache to local system, and so circular treatment is until the system recovery paired running.
Data cache method under the aforesaid electric power scheduling automatization system Distributed Application off-the-line state; It is characterized in that: in said step 3); History alarm record buffer memory module starts back circular wait warning information message, receive the warning information message after, start the warning message parsing module; After warning message parsing module parsing warning message gets access to the warning information content, start and append information content module; Append information content module and then after getting access to the information content, append " off-the-line " mark, and the result after will appending submits to the historical record cache module; The historical record cache module is cached to local system with amended warning information spanned file, and so circular treatment is until the system recovery paired running.
Data cache method under the aforesaid electric power scheduling automatization system Distributed Application off-the-line state; It is characterized in that: in said step 4); Manually-operated data cache module circular wait operation information message, receive the manually-operated infomational message after, start-up operation infomational message parsing module; Operation information packet parsing module parses operation information message, obtain type of message after, start the type of message analysis module; The type of message analysis module judges whether the type message needs buffer memory; Satisfied this message that then abandons of condition continues to wait for next message; Condition is satisfied then to be cached to this operation information in the local storehouse in real time according to certain format, and so circular treatment is until the system recovery paired running.
The present invention is owing to used different data cache methods to data type different mining during the system applies off-the-line; Therefore can effectively avoid losing of system applies data during the off-the-line; Thereby guaranteeing that system recovery is postrun can recover according to the data in buffer file; Guarantee the integrality of data, ensure electric power netting safe running.
Description of drawings
Fig. 1 is a kind of electric power scheduling automatization system distribution application system arrangement plan.
Fig. 2 is the process flow diagram of data cache method under the Distributed Application off-the-line state.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further introduction in detail:
Whether system running state detecting module cycle detection one's respective area system applies is in the operation of off-the-line state, and condition does not satisfy then continuation and detects, and condition satisfies back log-on data cache module; Data cache module is divided into history samples data cache module, history alarm record buffer memory module, manually-operated data cache module according to data cached type difference: trigger the history samples data cache module after the system sectionalizing automatically; After system time arrived the history samples time point, the history samples data cache module was obtained all factory's station information lists of one's respective area from model bank, from model bank, obtain all measuring points and factory thereof station information, forms the message queue of sampling measuring point; The message queue of historical data cache module circulating sampling measuring point judges whether sampled point belongs to the one's respective area, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, obtains the quality of data of measuring point after condition satisfies, log-on data quality judge module; Quality of data judge module judges whether the quality of data of this measuring point is qualified, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, and condition satisfies the sample information formation that then this measuring point is inserted into the one's respective area; Form the message queue that under the off-the-line state need sample in the one's respective area after having traveled through all sampling measuring point message queues, local history samples service module is submitted in this formation; Local history samples module is carried out the historical data sampling according to one's respective area sample information formation to all measuring point datas in the formation, and net result is generated as file cache to local system, and so circular treatment is until the system recovery paired running.Automatically trigger history alarm record buffer memory module after the system sectionalizing; History alarm record buffer memory module starts back circular wait warning information message, receive the warning information message after, start the warning message parsing module; After warning message parsing module parsing warning message gets access to the warning information content, start and append information content module; Append information content module and then after getting access to the information content, append " off-the-line " mark, and the result after will appending submits to the historical record cache module; The historical record cache module is cached to local system with amended warning information spanned file, and so circular treatment is until the system recovery paired running.Automatically trigger the manually-operated data cache module after the system sectionalizing; Manually-operated data cache module circular wait operation information message, receive the manually-operated infomational message after, start-up operation infomational message parsing module; Operation information packet parsing module parses operation information message, obtain type of message after, start the type of message analysis module; The type of message analysis module judges whether the type message needs buffer memory; Satisfied this message that then abandons of condition continues to wait for next message; Condition is satisfied then to be cached to this operation information in the local storehouse in real time according to certain format, and so circular treatment is until the system recovery paired running.
Accompanying drawing 1 is a kind of typical distributed application schedules automated system arrangement plan; In the Distributed Application dispatch automated system; Under the normal condition; Distributed Application (be each zone, as regional A, area B among the figure ..., regional N) through backbone network link to each other (as the network A among the figure, network B ..., network N), use through network remote in each zone and obtain application function that the main system application service realizes the one's respective area.If this time domain A and main system networking are interrupted, system is in subregion off-the-line running status among the then regional A.This time domain A becomes the application main system separately; Thereby the normal operation that keeps system's application function; With the automatic log-on data cache module of time domain A system applies, data cache module is mainly accomplished the buffer memory of three types of data: history samples data, history alarm data, manually-operated data.A history samples cache module buffer memory belongs to the qualified historical data of the data mode at one's respective area factory station (data of this routine middle finger A factory, B factory), and sampled data is generated as file layout is saved in the regional A system; The history alarm cache module appends after warning content behind " off-the-line " mark and the warning information data to be generated as file layout to be saved in the regional A system then after receiving the warning information that regional A system produces; The manually-operated data cache module will be listed, measure the three generic operation information of blockade to equipment alarm inhibition, equipment according to operation information type difference and be cached in the real-time storehouse of regional A system according to certain form then after being received manually-operated information.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that form obtained of replacement or equivalent transformation, all drop within protection scope of the present invention.
Claims (1)
1. data cache method under the electric power scheduling automatization system Distributed Application off-the-line state is characterized in that may further comprise the steps:
1) whether system running state detecting module cycle detection one's respective area system applies is in the operation of off-the-line state, and condition does not satisfy then continuation and detects, and condition satisfies back log-on data cache module; Data cache module is divided into history samples data cache module, history alarm record buffer memory module and manually-operated data cache module according to data cached type difference;
2) trigger the history samples data cache module after the system sectionalizing automatically, after system time arrived the history samples time point, the history samples data cache module was sampled to the factory station data of administering in the zone, and generated the history samples data file;
3) automatic triggering history alarm record buffer memory module after the system sectionalizing, history alarm record buffer memory module startup back with increase " off-the-line " mark in the warning information content, and is write down generation with history alarm and is alarmed recording data files after receiving warning information;
4) trigger the manually-operated data cache module after the system sectionalizing automatically; Manually-operated data cache module circular wait operation information message; After receiving the manually-operated infomational message; Take different storage modes that these operation informations are cached in the local storehouse in real time according to operation information type of message difference
In said step 2) in, the history samples data cache module is obtained all factory's station information lists of one's respective area from model bank, from model bank, obtain all measuring points and factory thereof station information, forms the message queue of sampling measuring point; The message queue of historical data cache module circulating sampling measuring point judges whether sampled point belongs to the one's respective area, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, obtains the quality of data of measuring point after condition satisfies, log-on data quality judge module; Quality of data judge module judges whether the quality of data of this measuring point is qualified, and condition does not satisfy then filters the judgement that gets into next measuring point with this point, and condition satisfies the sample information formation that then this measuring point is inserted into the one's respective area; Form the message queue that under the off-the-line state need sample in the one's respective area after having traveled through all sampling measuring point message queues, local history samples service module is submitted in this formation; Local history samples module is carried out the historical data sampling according to one's respective area sample information formation to all measuring point datas in the formation, and net result is generated as file cache to local system, and so circular treatment is until the system recovery paired running;
In said step 3), history alarm record buffer memory module starts back circular wait warning information message, receive the warning information message after, start the warning message parsing module; After warning message parsing module parsing warning message gets access to the warning information content, start and append information content module; Append information content module and then after getting access to the information content, append " off-the-line " mark, and the result after will appending submits to the historical record cache module; The historical record cache module is cached to local system with amended warning information spanned file, and so circular treatment is until the system recovery paired running;
In said step 4), manually-operated data cache module circular wait operation information message, receive the manually-operated infomational message after, start-up operation infomational message parsing module; Operation information packet parsing module parses operation information message, obtain type of message after, start the type of message analysis module; The type of message analysis module judges whether the type message needs buffer memory; Satisfied this message that then abandons of condition continues to wait for next message; Condition is satisfied then to be cached to this operation information in the local storehouse in real time according to certain format, and so circular treatment is until the system recovery paired running.
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| CN102798776B (en) * | 2012-07-19 | 2015-01-21 | 中国电力科学研究院 | Multi-parameter fused substation data integrity checking method |
| CN104954455A (en) * | 2015-06-03 | 2015-09-30 | 国家电网公司 | Load balance operation and management method for distributed acquisition systems |
| CN113377815B (en) * | 2021-06-10 | 2023-03-14 | 西安热工研究院有限公司 | Method for continuously transmitting write snapshot breakpoint facing real-time database |
| CN115664940B (en) * | 2022-12-28 | 2023-04-28 | 北京天维信通科技有限公司 | Distributed node index and alarm caching method and device and electronic equipment |
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