CN107346995A - Clock synchronizing method based on power information acquisition terminal - Google Patents
Clock synchronizing method based on power information acquisition terminal Download PDFInfo
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- CN107346995A CN107346995A CN201710638277.0A CN201710638277A CN107346995A CN 107346995 A CN107346995 A CN 107346995A CN 201710638277 A CN201710638277 A CN 201710638277A CN 107346995 A CN107346995 A CN 107346995A
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- Prior art keywords
- information acquisition
- power information
- acquisition terminal
- clock
- school
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electric Clocks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of clock synchronizing method based on power information acquisition terminal, including power information acquisition terminal obtains the standard time using module during some separate schools；Choose clock alignment of any one road time reference signal to power information acquisition terminal；Ordered when the equipment that power information acquisition terminal is mounted by downlink communication interface to itself sends school and locking equipment is calibrated.The present invention is a set of independent clock real-time synchronization mechanism independent of uplink communication network, can ensure the synchronous reliability of clock；By the way that during module school, precision is high and is not influenceed by communication network delay during independent school；Clock is traced to the source will not be amplified step by step with clocking error：Power information acquisition terminal can actively enter row clock synchronization according to the running situation of itself, ensure that the promptness of processing, and be not take up the bandwidth and flow of communication network, not increase the system loading of main website.
Description
Technical field
Present invention relates particularly to a kind of clock synchronizing method based on power information acquisition terminal.
Background technology
With the development and the improvement of people's living standards of national economy technology, electric energy has become people's production and life
Essential secondary energy sources in work, production and life to people bring endless facility.Just because of this, power information number
According to collection and storage be just particularly important.
Power information data are a kind of to the very strict time series data of time requirement, the terminal of collection power information data
Equipment will not only ensure that the clock of itself is accurate the moment, while also synchronously ensure that the clock of lower pocket watch meter is accurate by clock.
Process is as shown in Figure 1 during the school of existing power information acquisition terminal：Main website obtain standard time clock simultaneously calibrate, then with itself
Clock calibrates the clock of power information acquisition terminal, clock alignment of the power information acquisition terminal further according to itself for standard time clock
The clock of the equipment such as single-phase meter, three-phase meter and the data acquisition unit being articulated under it.It can clearly be seen that designed during existing school
This is considered and it is not comprehensive enough, usually occur some problems in practical application：
First, power information acquisition terminal is relied on seriously communication network.Power information acquisition terminal can only be by under main website
Order is calibrated during hair pair, and when communication network does not connect for a long time, clocking error will become increasing.
Two be due to the problem of communication network is delayed, and taking main website, transmitting order to lower levels is carried out to power information acquisition terminal one by one
The synchronous method of clock, can not make acquisition terminal obtain the time of degree of precision, often error is within ± 5 seconds.
Third, main website itself there is also clock accuracy the problem of.If main website enters row clock to power information acquisition terminal
After synchronization, then enter row clock synchronization to lower pocket watch meter by acquisition terminal, then clocking error can be caused to be amplified step by step.
Fourth, clock is synchronously the routine mission performed by main website in some cycles, it is impossible to current according to terminal
Situation is handled in time, and this mode occupies the bandwidth and flow of communication network, adds system loading.
The content of the invention
It is an object of the invention to provide a kind of independent, clock to be synchronously accurately and reliably based on power information acquisition terminal
Clock synchronizing method.
This clock synchronizing method based on power information acquisition terminal provided by the invention, comprises the following steps：
S1. power information acquisition terminal obtains the standard time respectively using module during several separate school；
S2. any one road time reference signal that power information acquisition terminal selecting step S1 is obtained gathers to power information
The clock of terminal itself is calibrated；
S3. power information acquisition terminal is hung after being calibrated to the clock of itself by downlink communication interface to itself
The equipment connect is ordered when sending school；
S4. power information acquisition terminal record reads the time spent by the equipment clock of locking equipment, and according to the consumption
The time taken, using power information acquisition terminal itself school when clock locking equipment is calibrated as standard time clock.
The described clock synchronizing method based on power information acquisition terminal, the standard time that module provides during school is electricity consumption
The unique standard time clock of information acquisition terminal, existing main station system pass through uplink communication Network Capture power information acquisition terminal
Real-time clock, while main station system is not involved in process during the school of power information acquisition terminal and its locking equipment.
The module during school of described power information acquisition terminal, in power information acquisition terminal normal work by with telecommunications
The power supply power supply of acquisition terminal is ceased, when power information acquisition terminal has a power failure then by the stand-by power supply list of power information acquisition terminal
Solely power supply.
Module during several separate school described in step S1, including module and module during satellite school during electric wave school；
The module standard time that real-time reception country time service center provides by way of long wave or shortwave during electric wave school；Mould during satellite school
Block obtains the standard time that national time service center provides by way of GPS or Big Dipper time service.
The clock of itself to power information acquisition terminal described in step S2 is calibrated, and is specially entered using following steps
Row clock is calibrated：
A. ordered when module sends school during school and give power information acquisition terminal；
B. power information acquisition terminal calculates the difference between the current clock and standard time clock of itself；
If C. the difference between the current clock and standard time clock of itself of power information acquisition terminal the parameter set-
Can school when parameter-in the range of, then power information acquisition terminal perform now school when operate；Otherwise, power information acquisition terminal
Operated when not performing this school then, and produce abnormality alarming event；
D. power information acquisition terminal records the number operated during daily school, and when at school, number of operations exceedes setting value
Produce abnormality alarming event.
The equipment of mounting is calibrated power information acquisition terminal described in step S4, is specially entered using following steps
During row school：
A. ordered when power information acquisition terminal sends broadcast pair to the equipment of its lower mounting；
B. power information acquisition terminal record reads the half value of the time spent by the equipment clock of locking equipment and remembered
For △ t；
C. judge the parameter of the equipment clock and △ t difference and setting read-can school when parameter-size：If difference
Less than or equal to can school when parameter, then the current time of power information acquisition terminal and △ t's and are issued as the standard time and set
It is standby, clock alignment is carried out to equipment；If difference be more than can school when parameter, if difference be more than can school when parameter, the equipment is entered
When capable independent pair；
D. for equipment at independent pair, if number during to independent pair of the equipment still can not ensure after exceeding setting value
The clock of the equipment is accurate, then produces abnormality alarming event.
This clock synchronizing method based on power information acquisition terminal provided by the invention, be it is a set of it is independent independent of
In the clock real-time synchronization mechanism of uplink communication network, as long as electricity operation on power information acquisition terminal, even if communication network event
Barrier, the synchronous reliability of clock can also ensure；When the inventive method is by during electric wave school or satellite school, power information can be used
The clock of acquisition terminal is synchronous not to be influenceed by communication network delay, can obtain the time of degree of precision, control errors are existed
Within ± 1 second；And the inventive method solves the problems, such as that clock is traced to the source and amplified step by step with error：Main website and power information are adopted
Collect end in same level, clock source both is from the standard time provided in National Time Service Center, Chinese Academy of Sciences；Finally,
Power information acquisition terminal in the inventive method can actively enter row clock synchronization according to the running situation of itself, ensure that place
The promptness of reason, and the bandwidth and flow of communication network are not take up, do not increase the system loading of main website.
Brief description of the drawings
Process schematic when Fig. 1 is the school of existing power information acquisition terminal.
Fig. 2 is the method flow diagram of the inventive method.
Embodiment
It is illustrated in figure 2 the method flow diagram of the inventive method：It is provided by the invention this whole based on power information collection
The clock synchronizing method at end, comprises the following steps：
S1. power information acquisition terminal obtains the standard time respectively using module during several separate school；
Such as in the specific implementation, module when can use two schools simultaneously：Module and module during satellite school during electric wave school；
The module standard time that real-time reception country time service center provides by way of long wave or shortwave during electric wave school；Mould during satellite school
Block obtains the standard time that national time service center provides by way of GPS or Big Dipper time service；
S2. any one road time reference signal that power information acquisition terminal selecting step S1 is obtained gathers to power information
The clock of terminal itself is calibrated；Specially clock alignment is carried out using following steps：
A. ordered when module sends school during school and give power information acquisition terminal；
B. power information acquisition terminal calculates the difference between the current clock and standard time clock of itself；
If C. the difference between the current clock and standard time clock of itself of power information acquisition terminal the parameter set-
Can school when parameter-in the range of, then power information acquisition terminal perform now school when operate；Otherwise, power information acquisition terminal
Operated when not performing this school then, and produce abnormality alarming event；
D. power information acquisition terminal records the number operated during daily school, and when at school, number of operations exceedes setting value
Produce abnormality alarming event；
S3. power information acquisition terminal is hung after being calibrated to the clock of itself by downlink communication interface to itself
The equipment connect is ordered when sending school；
S4. power information acquisition terminal record reads the time spent by the equipment clock of locking equipment, and according to the consumption
The time taken, using power information acquisition terminal itself school when clock locking equipment is calibrated as standard time clock；Tool
Body is to be calibrated using following steps：
A. ordered when power information acquisition terminal sends broadcast pair to the equipment of its lower mounting；
B. power information acquisition terminal record reads the half value of time spent by the equipment clock of locking equipment and is designated as
△t；
C. judge the parameter of the equipment clock and △ t difference and setting read-can school when parameter-size：If difference
Less than or equal to can school when parameter, then t's and issued by the use of the current time of power information acquisition terminal and △ as the standard time
Equipment, clock alignment is carried out to equipment；If difference be more than can school when parameter, when carrying out independent pair to the equipment；
D. for equipment at independent pair, if number during to independent pair of the equipment still can not ensure after exceeding setting value
The clock of the equipment is accurate, then produces abnormality alarming event；
For different equipment, △ t may be different；During for multiple pair of same equipment, △ t values are also possible to difference,
Enter Mobile state adjustment after needing at each pair to △ t values.
In above-mentioned calibration method, the standard time that module provides during school is the unique standard of power information acquisition terminal
Clock, existing main station system is by the real-time clock of uplink communication Network Capture power information acquisition terminal, while system of main website
System is not involved in process during the school of power information acquisition terminal and its locking equipment, therefore main website to power information equivalent to only gathering
Terminal is monitored；And module during the school of power information acquisition terminal, in power information acquisition terminal normal work by with
The power supply power supply of power information acquisition terminal, when power information acquisition terminal has a power failure then by the standby electricity of power information acquisition terminal
Source individually powers.
This calibration method provided by the invention, when being applicable not only to itself single school of power information acquisition terminal,
The equipment and the system of similar topological structure required during suitable for similar school, including all types of measuring instruments (such as electricity
Can table, water meter, gas meter, flow meter, calorimeter etc.), electric energy management terminal, distribution terminal, electric energy quality monitoring equipment, grid automation
Terminal, acquisition terminal, concentrator, data acquisition unit, measuring instrument, write by hand device, fault detector etc..
Claims (6)
1. a kind of clock synchronizing method based on power information acquisition terminal, comprises the following steps：
S1. power information acquisition terminal obtains the standard time respectively using module during several separate school；
S2. any one road time reference signal that power information acquisition terminal selecting step S1 is obtained is to power information acquisition terminal
The clock of itself is calibrated；
S3. power information acquisition terminal is mounted after being calibrated to the clock of itself by downlink communication interface to itself
Equipment is ordered when sending school；
S4. power information acquisition terminal record reads the time spent by the equipment clock of locking equipment, and according to the consuming
Time, using power information acquisition terminal itself school when clock locking equipment is calibrated as standard time clock.
2. the clock synchronizing method according to claim 1 based on power information acquisition terminal, it is characterised in that mould during school
The standard time that block provides is the unique standard time clock of power information acquisition terminal, and existing main station system passes through uplink communication net
Network obtains the real-time clock of power information acquisition terminal, while main station system is not involved in power information acquisition terminal and its mounting is set
Process during standby school.
3. the clock synchronizing method according to claim 1 based on power information acquisition terminal, it is characterised in that described
The module during school of power information acquisition terminal, in power information acquisition terminal normal work by the electricity of power information acquisition terminal
Source powers, and is then individually powered by the stand-by power supply of power information acquisition terminal when power information acquisition terminal has a power failure.
4. the clock synchronizing method based on power information acquisition terminal according to one of claims 1 to 3, it is characterised in that
Module during several separate school described in step S1, including module and module during satellite school during electric wave school；During electric wave school
The module standard time that real-time reception country time service center provides by way of long wave or shortwave；Module passes through during satellite school
GPS or the mode of Big Dipper time service obtain the standard time that national time service center provides.
5. the clock synchronizing method according to claim 4 based on power information acquisition terminal, it is characterised in that step S2
The described clock of itself to power information acquisition terminal is calibrated, and specially carries out clock alignment using following steps：
A. ordered when module sends school during school and give power information acquisition terminal；
B. power information acquisition terminal calculates the difference between the current clock and standard time clock of itself；
C. if the difference between the current clock and standard time clock of itself of power information acquisition terminal is in the parameter set-can school
When parameter-in the range of, then power information acquisition terminal perform now school when operate；Otherwise, power information acquisition terminal is not then
Operated when performing this school, and produce abnormality alarming event；
D. power information acquisition terminal records the number operated during daily school, and produces when at school, number of operations exceedes setting value
Abnormality alarming event.
6. the clock synchronizing method according to claim 5 based on power information acquisition terminal, it is characterised in that step S4
The equipment of mounting is calibrated described power information acquisition terminal, is specially calibrated using following steps：
A. ordered when power information acquisition terminal sends broadcast pair to the equipment of its lower mounting；
B. power information acquisition terminal record reads the half value of time spent by the equipment clock of locking equipment and is designated as △ t；
C. judge the parameter of the equipment clock and △ t difference and setting read-can school when parameter-size：If difference is less than
Or equal to can school when parameter, then t's and issue equipment as the standard time by the use of the current time of power information acquisition terminal and △,
Clock alignment is carried out to equipment；If difference be more than can school when parameter, if difference be more than can school when parameter, the equipment is carried out single
At only pair；
D. for equipment at independent pair, if number during to independent pair of the equipment still can not ensure that this sets after exceeding setting value
Standby clock is accurate, then produces abnormality alarming event.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710638277.0A CN107346995A (en) | 2017-07-31 | 2017-07-31 | Clock synchronizing method based on power information acquisition terminal |
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| CN201710638277.0A CN107346995A (en) | 2017-07-31 | 2017-07-31 | Clock synchronizing method based on power information acquisition terminal |
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ID=60257055
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611076A (en) * | 2018-11-02 | 2019-04-12 | 贝兹维仪器(苏州)有限公司 | A kind of real-time clock synchronous method of well logging 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 |
| CN111756466A (en) * | 2020-05-25 | 2020-10-09 | 江苏方天电力技术有限公司 | District sensing terminal clock synchronization method and system based on district power failure event capture |
| CN112462591A (en) * | 2020-12-07 | 2021-03-09 | 武汉中原电子信息有限公司 | Object-oriented communication protocol-based time synchronization method for electricity utilization acquisition terminal |
| CN112532309A (en) * | 2020-12-21 | 2021-03-19 | 四川安迪科技实业有限公司 | Physical layer transmission method and device suitable for simple satellite Internet of things terminal |
| CN113098649A (en) * | 2021-03-26 | 2021-07-09 | 国网河北省电力有限公司邯郸供电分公司 | Power utilization information acquisition system and method based on clock time service |
| CN113992294A (en) * | 2021-10-22 | 2022-01-28 | 国网湖南省电力有限公司 | Clock management control method and device in electricity consumption information acquisition system |
| CN114142960A (en) * | 2021-12-21 | 2022-03-04 | 青岛鼎信通讯股份有限公司 | Method for timing acquisition terminal of low-voltage transformer area by using mobile 5G base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611076A (en) * | 2018-11-02 | 2019-04-12 | 贝兹维仪器(苏州)有限公司 | A kind of real-time clock synchronous method of well logging 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 |
| CN111756466A (en) * | 2020-05-25 | 2020-10-09 | 江苏方天电力技术有限公司 | District sensing terminal clock synchronization method and system based on district power failure event capture |
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| CN112462591A (en) * | 2020-12-07 | 2021-03-09 | 武汉中原电子信息有限公司 | Object-oriented communication protocol-based time synchronization method for electricity utilization acquisition terminal |
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| CN112532309A (en) * | 2020-12-21 | 2021-03-19 | 四川安迪科技实业有限公司 | Physical layer transmission method and device suitable for simple satellite Internet of things terminal |
| CN112532309B (en) * | 2020-12-21 | 2022-07-22 | 四川安迪科技实业有限公司 | Physical layer transmission method and device suitable for simple satellite internet of things terminal |
| CN113098649A (en) * | 2021-03-26 | 2021-07-09 | 国网河北省电力有限公司邯郸供电分公司 | Power utilization information acquisition system and method based on clock time service |
| CN113992294A (en) * | 2021-10-22 | 2022-01-28 | 国网湖南省电力有限公司 | Clock management control method and device in electricity consumption information acquisition system |
| CN114142960A (en) * | 2021-12-21 | 2022-03-04 | 青岛鼎信通讯股份有限公司 | Method for timing acquisition terminal of low-voltage transformer area by using mobile 5G base station |
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Application publication date: 20171114 |