CN105471107A - Time-sharing task collection method for power grid electric energy measuring system - Google Patents
Time-sharing task collection method for power grid electric energy measuring system Download PDFInfo
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- CN105471107A CN105471107A CN201510991029.5A CN201510991029A CN105471107A CN 105471107 A CN105471107 A CN 105471107A CN 201510991029 A CN201510991029 A CN 201510991029A CN 105471107 A CN105471107 A CN 105471107A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The present invention discloses a time-sharing task collection method for a power grid electric energy measuring system. The method comprises the following steps of: S1, acquiring a collection task issued by a master station; S2, setting a time interval value, wherein the time interval value is smaller than collection time corresponding to the collection task; S3, carrying out segmentation on the collection task according to the time interval value to acquire collection sub-tasks in a plurality of consecutive time periods; S4, executing the collection sub-task of which start time is arranged in the most front according to a time sequence, and determining whether the current collection sub-task is successful; and S5, when the current collection sub-task is completed successfully, determining whether the collection task is completed. According to the method, the collection strategy is dispersed into different tasks by establishing the time-sharing task, the competeness of the collection is controlled by controlling the task, and even if anomalies occurs (conditions of network interruption, device anomaly of sub-stations and the like), data collection only needs to be completed continuously without human intervention after the anomalies are recovered.
Description
Technical field
The present invention relates to electric network data acquisition technique field, particularly relate to a kind of timesharing task acquisition method of electric power over power network metering system.
Background technology
Electric power over power network metering system has become the SCADA (SupervisoryControlAndDataAcquisition that continues, data acquisition and supervisor control), AGC (AutomaticGenerationControl, automatic generation control) another basic function of power network schedule automation after function, and to move towards as commodity at electric energy to play an important role in the process in market, electric power over power network metering system mainly utilizes modern communication technology, the information processing technology, store and distribution technology, realize critical point, power plant, transformer station, distribution transforming transformer, large user waits stoichiometric point data to realize remote automatic acquisition.Realize interconnecting with load control system, dispatching management information system, Electric Power Marketing System, energy management etc. simultaneously, set up the data center's platform based on electric energy data, in the data heart platform passes through process and mining data, realize the programming count of electric flux, examining computation, the whole network line losses management and the function such as analysis, marketing decision-making.Electric power over power network metering system is generally divided into main website side and side, substation, and electric quantity data transmission is generally carried out by various communication protocol in main website and substation.
Because electric power over power network metering system is generally divided into main website side and side, substation, (the general physical location in main website side and side, substation is not together, need to pass through Internet Transmission), and the acquisition target of side, substation comprises a lot of type as electric energy meter, collector, RTU (RemoteTerminalUnit, remote-terminal unit) etc., also comprise the data access of Third party system.The communication modes of main website and substation comprises a variety of GB stipulations, self-defined stipulations etc., during due to main website and substation communication and electric quantity data acquisition, there will be a lot of abnormal conditions (network interruption, substation device abnormal etc. situation), cause charge transport abnormal, lose.So just bring very large problem to data integrity.Main website is by certain acquisition strategies, and send data request data frame to side, substation, side, substation replies data according to request of data frame type, sends and returns frame.If occur abnormal in transmitting procedure, needing people to check those substations, the appearance of those time data extremely for going, needing human intervention, bringing very large workload and difficulty to maintenance staff like this.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of timesharing task acquisition method of electric power over power network metering system.
The timesharing task acquisition method of a kind of electric power over power network metering system that the present invention proposes, comprises the following steps:
The acquisition tasks that S1, acquisition main website issue;
S2, set interval value, and time interval value is less than acquisition time corresponding to acquisition tasks;
S3, according to time interval value, acquisition tasks to be split, obtain the collection subtask in section multiple continuous time;
S4, to perform the time started according to time sequencing and come the most front collection subtask, and judge the whether success of current collection subtask;
S5, current collection subtask are successfully completed, then judge whether acquisition tasks completes;
S51, acquisition tasks do not complete, then upgrade job start time, then return step S4;
S52, acquisition tasks complete, then the next acquisition tasks of poll starts to perform;
S6, the failure of current collection subtask, then judge that current collection subtask performs number of times and whether reaches default times of collection higher limit;
S61, current collection subtask perform number of times and have reached default times of collection higher limit, then judge the failure of current acquisition tasks, and the next acquisition tasks of poll starts to perform;
S62, current collection subtask perform number of times and do not reach default times of collection higher limit, then return step S4.
Preferably, in step S2, time interval value is arranged according to the time duration of acquisition tasks.
Preferably, in step S2, the time duration of acquisition tasks is the integral multiple of time interval value.
Preferably, in step S6, times of collection higher limit and time interval value are inversely proportional to.
Preferably, be specially: set interval value, and times of collection higher limit is set according to time interval value.
Preferably, times of collection higher limit can in interval [3,5] upper value.
Preferably, times of collection higher limit is 3.
Preferably, step S52 is specially: acquisition tasks completes, then the next acquisition tasks of poll starts to perform, and deletes current acquisition tasks.
Preferably, step S61 is specially: current collection subtask performs number of times and reached default times of collection higher limit, then judge the failure of current acquisition tasks, the next acquisition tasks of poll starts to perform, and carries out preservation to current acquisition tasks and wait for poll next time.
Preferably, also comprise step S7: the execution sequence that each acquisition tasks is set, and can adjust execution sequence.
The timesharing task acquisition method of electric power over power network metering system provided by the invention, by the value that sets interval, acquisition tasks is divided into multiple collection subtask, and collection subtask is performed one by one and detects performance, thus the automatic detection achieved acquisition tasks, be conducive to the existing exception gone out in Timeliness coverage data transmission procedure, when avoiding data appearance exception, can only people be the data of checking abnormal substation and occurring the abnormal moment, reduce workload and the work difficulty of maintenance staff.
In the present invention, by splitting acquisition tasks, again collection subtask being investigated one by one, namely ensure that the levels of precision that acquisition tasks completes, turn avoid acquisition tasks excessive time investigation difficulty, be conducive to improving the accuracy that completes of acquisition tasks and high efficiency.In the present invention, times of collection higher limit is set according to time interval value, namely ensure that system survivability, gathered again the circle collection number of times of subtask by restriction, ensure that gather subtask complete efficiency, thus improve whole acquisition tasks complete efficiency.
To present method solves when exception appears in electric power over power network metering system in charge transport process needs by artificially interfering the problem solved; this method is by setting up timesharing task; acquisition strategies is distributed in different tasks; completing of collection is controlled by the control of task; even if occur that abnormal situations such as () network interruption, substation device are abnormal does not need human intervention yet; after only abnormal restoring need being waited, continue the collection of data.
Accompanying drawing explanation
Fig. 1 is the timesharing task acquisition method flow chart of a kind of electric power over power network metering system that the present invention proposes.
Embodiment
With reference to Fig. 1, the timesharing task acquisition method of a kind of electric power over power network metering system that the present invention proposes, comprises the following steps.
The acquisition tasks that S1, acquisition main website issue.
S2, set interval value, and time interval value is less than acquisition time corresponding to acquisition tasks; And times of collection higher limit is set according to time interval value, times of collection higher limit and time interval value are inversely proportional to.
S3, according to time interval value, acquisition tasks to be split, obtain the collection subtask in section multiple continuous time.
In present embodiment, for the ease of the segmentation to acquisition tasks, in step S2, time interval value is arranged according to the time duration of acquisition tasks, such as, the time duration of acquisition tasks is the integral multiple of time interval value, acquisition tasks to be divided into the equal collection subtask of multiple time duration, thus more reasonably carries out regular to acquisition tasks.
Such as, acquisition time corresponding to acquisition tasks is 08:00 to 09:00, and namely acquisition tasks time duration is 1 hour.Now, time interval value can be set to half an hour, then acquisition tasks can be divided into two and gather subtask, two acquisition times gathering subtask corresponding are respectively 8:00 to 08:30,08:30 to 09:00.
S4, to perform the time started according to time sequencing and come the most front collection subtask, and judge the whether success of current collection subtask.First time started of collection subtask starting to perform becomes time started of acquisition tasks, and such as, in above embodiment, the time started of acquisition tasks is 8:00, then the collection subtask first on execution 8:00 to the 08:30 time period.In this step, according to time sequencing, perform a collection subtask successively, be conducive to ensureing to gather the nature be connected between subtask, ensure that acquisition tasks completes smoothly.
S5, current collection subtask are successfully completed, then judge whether acquisition tasks completes.In present embodiment, judge whether acquisition tasks completes, number can be completed according to collection subtask and judge.Such as, in conjunction with above embodiment, acquisition tasks according to time interval value and be divided into two gather subtasks, when then completing collection subtask, by judging that the number of the current collection subtask completed judges whether acquisition tasks completes, if only complete one to gather subtask, then illustrate that acquisition tasks does not complete; If completed two to gather subtask, then illustrate, acquisition tasks has completed.During concrete enforcement, time started also by gathering subtask corresponding judges whether acquisition tasks completes, such as, in above embodiment, last time started gathering subtask corresponding is 08:30, then, the time started of current collection subtask, the collection subtask remaining in addition and do not complete is described, namely acquisition tasks did not complete early than 08:30; If the time started of current collection subtask is 08:30, illustrate that gathering subtask all completes, namely acquisition tasks completes.
S51, acquisition tasks do not complete, then upgrade job start time, then return step S4.In conjunction with above embodiment, when the collection subtask on 08:00 to 08:30 completes, then by job start time is revised as 08:30, the collection subtask on 08:30 to the 09:00 time period then just can be performed.
S52, acquisition tasks complete, then the next acquisition tasks of poll starts to perform, and deletes current acquisition tasks.
S6, the failure of current collection subtask, then judge that current collection subtask performs number of times and whether reaches default times of collection higher limit.The set-up mode of times of collection higher limit is described in step S2.Concrete, times of collection higher limit can in interval [3,5] upper value, and in above embodiment, when time interval value is half an hour, arranging times of collection higher limit is 3 times.
S61, current collection subtask perform number of times and have reached default times of collection higher limit, then judge the failure of current acquisition tasks, and the next acquisition tasks of poll starts to perform, and carry out preservation to current acquisition tasks and wait for poll next time.The setting of this step, make to gather failed collection subtask can't go on always, avoid endless loop, directly acquisition tasks is terminated relative to after the failure of collection subtask, again by the setting of times of collection higher limit, for the carrying out gathering subtask provides repeatedly chance, system is made to have certain fault-tolerant ability, for the automatic error-correcting adjustment of system provides cushion space.
S62, current collection subtask perform number of times and do not reach default times of collection higher limit, then return step S4.
In present embodiment, times of collection higher limit is set according to time interval value, namely ensure that system survivability, gathered again the circle collection number of times of subtask by restriction, ensure that gather subtask complete efficiency, thus improve whole acquisition tasks complete efficiency.
S7, the execution sequence of each acquisition tasks is set, and can adjusts execution sequence.Particularly, manually can adjust the execution sequence of each acquisition tasks, thus improve the flexibility gathered.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a timesharing task acquisition method for electric power over power network metering system, is characterized in that, comprise the following steps:
The acquisition tasks that S1, acquisition main website issue;
S2, set interval value, and time interval value is less than acquisition time corresponding to acquisition tasks;
S3, according to time interval value, acquisition tasks to be split, obtain the collection subtask in section multiple continuous time;
S4, to perform the time started according to time sequencing and come the most front collection subtask, and judge the whether success of current collection subtask;
S5, current collection subtask are successfully completed, then judge whether acquisition tasks completes;
S51, acquisition tasks do not complete, then upgrade job start time, then return step S4;
S52, acquisition tasks complete, then the next acquisition tasks of poll starts to perform;
S6, the failure of current collection subtask, then judge that current collection subtask performs number of times and whether reaches default times of collection higher limit;
S61, current collection subtask perform number of times and have reached default times of collection higher limit, then judge the failure of current acquisition tasks, and the next acquisition tasks of poll starts to perform;
S62, current collection subtask perform number of times and do not reach default times of collection higher limit, then return step S4.
2. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 1, it is characterized in that, in step S2, time interval value is arranged according to the time duration of acquisition tasks.
3. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 2, it is characterized in that, in step S2, the time duration of acquisition tasks is the integral multiple of time interval value.
4. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 3, it is characterized in that, in step S6, times of collection higher limit and time interval value are inversely proportional to.
5. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 4, is characterized in that, be specially: set interval value, and arrange times of collection higher limit according to time interval value.
6. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 5, is characterized in that, times of collection higher limit can in interval [3,5] upper value.
7. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 1, it is characterized in that, times of collection higher limit is 3.
8. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 1, it is characterized in that, step S52 is specially: acquisition tasks completes, then the next acquisition tasks of poll starts to perform, and deletes current acquisition tasks.
9. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 1, it is characterized in that, step S61 is specially: current collection subtask performs number of times and reached default times of collection higher limit, then judge the failure of current acquisition tasks, the next acquisition tasks of poll starts to perform, and carries out preservation to current acquisition tasks and wait for poll next time.
10. the timesharing task acquisition method of electric power over power network metering system as claimed in claim 1, is characterized in that, also comprise step S7: the execution sequence arranging each acquisition tasks, and can adjust execution sequence.
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| WO2020005164A1 (en) * | 2018-06-29 | 2020-01-02 | Senserbot Pte. Ltd. | Task management method and system thereof |
| CN111221324A (en) * | 2020-01-09 | 2020-06-02 | 深圳市东深电子股份有限公司 | Multi-interface data acquisition method for water conservancy RTU |
| CN112131280A (en) * | 2020-09-29 | 2020-12-25 | 杭州东方通信软件技术有限公司 | Data acquisition method based on time scheduling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020005164A1 (en) * | 2018-06-29 | 2020-01-02 | Senserbot Pte. Ltd. | Task management method and system thereof |
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| CN111221324A (en) * | 2020-01-09 | 2020-06-02 | 深圳市东深电子股份有限公司 | Multi-interface data acquisition method for water conservancy RTU |
| CN111221324B (en) * | 2020-01-09 | 2022-03-25 | 深圳市东深电子股份有限公司 | Multi-interface data acquisition method for water conservancy RTU |
| CN112131280A (en) * | 2020-09-29 | 2020-12-25 | 杭州东方通信软件技术有限公司 | Data acquisition method based on time scheduling |
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