CN103513568A - Automatic time comparing method capable of breaking limit of intelligent electric power meter hardware - Google Patents
Automatic time comparing method capable of breaking limit of intelligent electric power meter hardware Download PDFInfo
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- CN103513568A CN103513568A CN201310437526.1A CN201310437526A CN103513568A CN 103513568 A CN103513568 A CN 103513568A CN 201310437526 A CN201310437526 A CN 201310437526A CN 103513568 A CN103513568 A CN 103513568A
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Abstract
The invention discloses an automatic time comparing method capable of breaking limit of intelligent electric power meter hardware. In a power utilization collecting system, collecting terminal transparent transmission DL/T645 broadcast timing instructions are used for carrying out timing on a clock out-of-tolerance intelligent meter under the same terminal in a staging mode, operation is carried out in a plurality of timing cycles, the intelligent meter clock out-of-tolerance range is reduced step by step, and finally meter clock calibration is achieved. According to the method, the broadcast timing instructions are used for timing on an intelligent meter automatically in a remote mode, the limit of a hardware programming button of current intelligent meter single-meter time service is broken, manual on-site working is avoided, operation is simple, reliability is high, and great effect is achieved in practical application.
Description
Technical field
The present invention relates to a kind of in power information acquisition system, the method for order when the overproof intelligent meter of same subterminal clock is carried out to school stage by stage while utilizing acquisition terminal transparent transmission DL/T645 to broadcast school.Belong to power information acquisition system applied technical field.
Background technology
At present intelligent meter is carried out to clock alignment and mainly contain two kinds of modes: the single table time service of during remote broadcast school and this locality.The time service of local single table needs operator to scene, to utilize palm machine to the intelligent meter time service of programming, and when table count number is larger, need to drop into a large amount of man power and materials.While utilizing DL/T645 to broadcast school, intelligent meter clock alignment is carried out in order, does not need artificial execute-in-place, but for preventing artificial misoperation, during the broadcast school of intelligent meter, order has the performance constraint of response:
1. deviation range restriction:
Error between between standard time during school and current table timing does not allow to surpass 5 minutes, refuses response while surpassing.
2. frequency limitation during school:
Within one day, in the time of only once broadcasting school, operate.
Summary of the invention
The object of the invention is in power information acquisition system, when order is carried out school stage by stage to the overproof intelligent meter of same subterminal clock while utilizing acquisition terminal transparent transmission DL/T645 to broadcast school, reach the object of calibration site intelligent table clock.
The present invention takes following technical scheme to realize:
The automatic setting means of breaking through intelligent electric energy meter hardware constraints, its step is as follows:
(1), in power information acquisition system, task, main website timing automatic collection site intelligent meter clock value are copied in configuration automatically thoroughly;
(2) main website is according to the be above standard deviation range of time of the intelligent meter clock value stepping statistics intelligent meter clock gathering, scope when characterizing intelligent meter and broadcast school by ladder sign value;
(3) select overproof scope to carry out ladder while broadcasting school at the intelligent meter of a certain shelves, finally make to show timing clock and be calibrated.
The overproof scope of clock of the intelligent meter of selecting according to user, determine the ladder sign value that is series arrangement of carrying out increasing or decreasing with a fixed step value, front end processor is according to ladder sign value, transparent transmission order while same terminal continuous several times transmission DL/T645 being broadcasted to school in process when a school, progressively reduce the overproof scope of intelligent meter clock, finally make to show timing clock and be calibrated.
During each school, time value is according to step values increasing or decreasing;
Total degree=(| ladder sign value |-5 minutes)/step values+1;
Time value=standard time ± step values * (total degree-1) during each school.
Step values is set as 4 minutes.
Ladder sign value is: the sequence that the integral multiple of the integral multiple of 5 minutes+step values and-5 minutes-step values forms.
Ladder sign value is-21 ,-17 ,-13 ,-9, ± 5 ,+9 ,+13 ,+17 ,+21 minutes.
A subterminal intelligent meter clock jitter situation is divided into three kinds: within bias free, deviation ± 5 minute, outside deviation ± 5 minute;
Carry out standard school constantly, during intelligent meter response broadcast school within bias free and deviation ± 5 minute, order is unified to the standard time, when next school, before the cycle, no longer orders during response broadcast school; The intelligent meter of deviation outside ± 5 minutes, according to its deviate, when the cycle is carried out school stage by stage during according to school, progressively reduces the overproof scope of intelligent meter clock by the cycle, finally unified to the standard time.
With ladder sign value-21 ,-17 ,-13 ,-9, ± 5 ,+9 ,+13 ,+17 ,+21 scopes when characterizing intelligent meter and broadcasting school.
Principle process of the present invention is specifically described as follows:
(1) the first of technical scheme: in power information acquisition system, task, main website timing acquiring site intelligent table clock are copied in configuration automatically thoroughly.
(2) the second portion of technical scheme: main website divides scope by clock according to field condition, as-(15～60) ,-(5～15), ± (3～5) ,+(5～15) ,+(15～60) minute, the overproof scope of site intelligent table clock that stepping statistical study collects.
(3) the third part of technical scheme: the overproof scope of clock of the intelligent meter of selecting according to user, determine ladder sign value, transparent transmission order when front end processor sends DL/T645 and broadcasts school same terminal continuous several times according to ladder sign value.
The beneficial effect that the present invention reaches:
The present invention is in power information acquisition system, by autotask timing acquiring site intelligent table clock, analytic statistics clock jitter situation, orders while utilizing acquisition terminal transparent transmission DL/T645 to broadcast school, when the overproof intelligent meter of same subterminal clock is carried out to school stage by stage.By cycle implementation and operation when a plurality of school, progressively reduce the overproof scope of intelligent meter clock, finally make to show timing clock and be calibrated.The present invention use broadcast to time while ordering remote auto to carry out school to intelligent meter, broken through the restriction of the hardware programming button of current intelligent form table time service, avoided manually going site work, easy and simple to handle, reliability is high, obtained good automatically to time effect.
Accompanying drawing explanation
Fig. 1 is overall construction drawing of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, in power information acquisition system, task is copied in configuration automatically thoroughly, main website timing acquiring site intelligent table clock, and the overproof scope of clock that collects of stepping statistical study.User inquires about the overproof information of intelligent meter clock by the page, while selecting the intelligent meter of overproof value in a certain scope to broadcast school, the overproof value of intelligent meter that application service is selected according to user is determined ladder sign value, transparent transmission order when front end processor is broadcasted school according to ladder sign value to same terminal continuous several times transmission DL/T645.
The present invention is in power information acquisition system, by autotask timing acquiring site intelligent table clock, analytic statistics clock jitter situation, when while utilizing acquisition terminal transparent transmission DL/T645 to broadcast school, order is carried out school stage by stage to the overproof intelligent meter of same subterminal clock.A subterminal intelligent meter clock jitter situation is divided into three kinds: within bias free, deviation ± 5 minute, outside deviation ± 5 minute, when basic ideas are advanced column criterion school, intelligent meter within bias free and deviation ± 5 minute is unified to the standard time by this order of response, in the time of no longer responding broadcast school before cycle when next school, order, the intelligent meter of deviation outside ± 5 minutes is according to its deviate, when during according to school, the cycle is carried out school stage by stage, during the school that finally completes under this terminal whole intelligent meters, work.
With an embodiment, method of the present invention is elaborated below.Suppose in certain subterminal intelligent meter, leading and 5 minutes, 10 minutes, the 15 minutes deviations that lag of clock all have, and step values is set as 4 minutes, ladder sign value be-17 ,-13 ,-9, ± 5 ,+9 ,+13 ,+17, automatically to time process be:
1) terminal is issued to broadcast instruction during school, during by the unified broadcast of intelligent meter school to standard time T minute.Now:
± deviation is less than or equal to intelligent meter time of 5 minutes and will be unified to the standard time, and instruction will refuse other broadcast school of response time; And deviation surpasses this instruction of intelligent meter refusal execution of 5 minutes.
2) cycle when the first school, the intelligent meter during for refusal operative norm time school, terminal is broadcasted in time to the one relative deviation value of school:
While A. broadcasting school " standard time T+4 minute ", to the clock intelligent meter of leading 5～9 minutes will respond this instruction and during by school to " T+4 minute ", surpass the intelligent meter refusal response of 9 minutes;
While B. broadcasting school " T+8 minute ", to the clock intelligent meter of leading 9～13 minutes will respond this instruction and during by school to " T+8 minute ";
While C. broadcasting school " T+12 minute ", to the clock intelligent meter of leading 13～17 minutes will respond this instruction and during by school to " T+12 minute ";
While D. broadcasting school " T – 4 minutes ", the intelligent meter that clock is lagged 5～9 minutes will respond this instruction and during by school to " T-4 minute ";
While E. broadcasting school " T – 8 minutes ", the intelligent meter that clock is lagged 9～13 minutes will respond this instruction and during by school to " T-8 minute ";
While F. broadcasting school " T – 12 minutes ", the intelligent meter that clock is lagged 13～17 minutes will respond this instruction and during by school to " T-12 minute ";
3) cycle when the second school, this terminal is carried out once and step 1) and 2 again) operation in like manner:
A. terminal is issued to broadcast instruction during school, during by the unified broadcast of intelligent meter school to standard time T minute.During a upper school, " T ± 4 minute " in cycle are calibrated to the standard time, " T ± 8 minute ", " T ± 12 minute " refusal response;
While B. broadcasting school respectively " T+4 minute " and " T-4 minute ", when during a upper school, " T ± 8 minute " in cycle meeting is by school, arrive " T ± 4 minute ";
While C. broadcasting school respectively " T+8 minute " and " T-8 minute ", when during a upper school, " T ± 12 minute " in cycle meeting is by school, arrive " T ± 8 minute ";
4) cycle when the 3rd school, then carried out once with a upper cycle and operate during school in like manner:
A. this terminal is issued to broadcast instruction during school, during by the unified broadcast of intelligent meter school to standard time T." T ± 4 minute " are before calibrated to the standard time, the response of " T ± 8 minute " refusal;
While B. broadcasting school respectively " T+4 minute " and " T-4 minute ", when understanding by school, " T ± 8 minute " of a upper calibration cycle arrive " T ± 4 minute ";
5) cycle when the 4th school, then carried out once with a upper cycle and operate during school in like manner:
A. this terminal is issued to broadcast instruction during school, during by the unified broadcast of intelligent meter school to standard time T." T ± 4 " in a upper cycle are calibrated to the standard time, during the school that completes under this terminal whole intelligent meters, work.
Above-described embodiment does not limit the present invention in any form, all take to be equal to replace or technical scheme that the form of equivalent transformation obtains, within all dropping on protection scope of the present invention.
Claims (6)
1. an automatic setting means of breaking through intelligent electric energy meter hardware constraints, is characterized in that, comprises following steps:
(1), in power information acquisition system, task, main website timing automatic collection site intelligent meter clock value are copied in configuration automatically thoroughly;
(2) main website is according to the be above standard deviation range of time of the intelligent meter clock value stepping statistics intelligent meter clock gathering, scope when characterizing intelligent meter and broadcast school by ladder sign value;
(3) select overproof scope to carry out ladder while broadcasting school at the intelligent meter of a certain shelves, finally make to show timing clock and be calibrated.
2. the automatic setting means of breakthrough intelligent electric energy meter hardware constraints according to claim 1, it is characterized in that, the overproof scope of clock of the intelligent meter of selecting according to user, determine the ladder sign value that is series arrangement of carrying out increasing or decreasing with a fixed step value, front end processor is according to ladder sign value, while same terminal continuous several times transmission DL/T645 being broadcasted to school in process when a school, transparent transmission order, progressively reduces the overproof scope of intelligent meter clock, finally makes to show timing clock and is calibrated.
3. the automatic setting means of breakthrough intelligent electric energy meter hardware constraints according to claim 1, is characterized in that, during each school, time value is according to step values increasing or decreasing;
Total degree=(| ladder sign value |-5 minutes)/step values+1;
Time value=standard time ± step values * (total degree-1) during each school.
4. the automatic setting means of breakthrough intelligent electric energy meter hardware constraints according to claim 3, is characterized in that, step values is set as 4 minutes.
5. the automatic setting means of breakthrough intelligent electric energy meter hardware constraints according to claim 3, is characterized in that, ladder sign value is: the sequence that the integral multiple of the integral multiple of 5 minutes+step values and-5 minutes-step values forms.
6. the automatic setting means of breakthrough intelligent electric energy meter hardware constraints according to claim 5, is characterized in that, ladder sign value is-21 ,-17 ,-13 ,-9, ± 5 ,+9 ,+13 ,+17 ,+21 minutes.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483649A (en) * | 2014-11-12 | 2015-04-01 | 珠海中慧微电子有限公司 | High-precision time synchronization method and system applied to electric energy meter |
| CN105446122A (en) * | 2016-01-13 | 2016-03-30 | 国家电网公司 | Electric energy meter clock calibration method |
| CN107991643A (en) * | 2017-11-14 | 2018-05-04 | 国网福建省电力有限公司 | A kind of clock of power meter bearing calibration |
| CN109407040A (en) * | 2018-12-07 | 2019-03-01 | 广东电网有限责任公司 | A kind of intelligent electric energy meter calibration method, device, equipment and storage medium |
| CN110320791A (en) * | 2019-06-20 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of power information acquisition system clock management method and device |
| CN111355552A (en) * | 2020-02-14 | 2020-06-30 | 国网新疆电力有限公司电力科学研究院 | Electric energy meter clock remote time synchronization management method and system |
| CN111596253A (en) * | 2019-08-24 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Method for governing clock error through broadcast time synchronization on 09 standard intelligent meter |
| CN114063002A (en) * | 2021-12-21 | 2022-02-18 | 青岛鼎信通讯股份有限公司 | Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal |
| CN114384787A (en) * | 2021-11-29 | 2022-04-22 | 国网北京市电力公司 | Calibration method and device for electric energy meter clock |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483649A (en) * | 2014-11-12 | 2015-04-01 | 珠海中慧微电子有限公司 | High-precision time synchronization method and system applied to electric energy meter |
| CN105446122A (en) * | 2016-01-13 | 2016-03-30 | 国家电网公司 | Electric energy meter clock calibration method |
| CN105446122B (en) * | 2016-01-13 | 2017-08-11 | 国家电网公司 | Clock of power meter calibration method |
| CN107991643A (en) * | 2017-11-14 | 2018-05-04 | 国网福建省电力有限公司 | A kind of clock of power meter bearing calibration |
| CN109407040A (en) * | 2018-12-07 | 2019-03-01 | 广东电网有限责任公司 | A kind of intelligent electric energy meter calibration method, device, equipment and storage medium |
| CN110320791A (en) * | 2019-06-20 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of power information acquisition system clock management method and device |
| CN111596253A (en) * | 2019-08-24 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Method for governing clock error through broadcast time synchronization on 09 standard intelligent meter |
| CN111355552A (en) * | 2020-02-14 | 2020-06-30 | 国网新疆电力有限公司电力科学研究院 | Electric energy meter clock remote time synchronization management method and system |
| CN111355552B (en) * | 2020-02-14 | 2022-05-17 | 国网新疆电力有限公司营销服务中心(资金集约中心、计量中心) | Electric energy meter clock remote time synchronization management method and system |
| CN114384787A (en) * | 2021-11-29 | 2022-04-22 | 国网北京市电力公司 | Calibration method and device for electric energy meter clock |
| CN114384787B (en) * | 2021-11-29 | 2024-01-23 | 国网北京市电力公司 | Method and device for calibrating clock of electric energy meter |
| CN114063002A (en) * | 2021-12-21 | 2022-02-18 | 青岛鼎信通讯股份有限公司 | Electricity meter clock smoothing treatment method based on transformer substation acquisition terminal |
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