CN109062025A - A method of it introducing GPS external clock and corrects electric energy meter internal clocking failure - Google Patents
A method of it introducing GPS external clock and corrects electric energy meter internal clocking failure Download PDFInfo
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- CN109062025A CN109062025A CN201810914009.1A CN201810914009A CN109062025A CN 109062025 A CN109062025 A CN 109062025A CN 201810914009 A CN201810914009 A CN 201810914009A CN 109062025 A CN109062025 A CN 109062025A
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
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- Radar, Positioning & Navigation (AREA)
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Abstract
The invention belongs to technical field of electric automation, and in particular to a method of it introduces GPS external clock and corrects electric energy meter internal clocking failure.A method of introducing GPS external clock corrects electric energy meter internal clocking failure, which is characterized in that includes (1) extension electric energy table function (2) extension collector and acquisition master function (3) failure amendment.Compared with prior art the advantage of the invention is that introducing external GPS reference clock information, electric energy meter is enable periodically to detect whether clock deviation occurs.Once detecting clock jitter, the different modes such as warning note and active reporting clock bias information can be issued by electric energy meter and notify operation maintenance personnel.Then it is consistent the clock of power meter of deviation to be adapted to reference clock by way of encryption authorization.Improve the quality of electric energy meter.
Description
Technical field
The invention belongs to technical field of electric automation, and in particular in a kind of introducing GPS external clock amendment electric energy meter
The method of portion's clock failure.
Background technique
Clock is one of core component of electric energy meter, and the clock of electric energy meter is counted by electric energy meter internal hardware clock device
When.When electric energy meter power-on operates normally, is written in memory and backs up at interval of 60 seconds valid datas by Current hardware clock.Together
When the data such as load curve, current electric energy be also associated with the clock information, become with when target data.It can be seen that clock of power meter is
The accurate note of the critical datas such as the no ladder electric energy for accurately directly affecting electric energy meter, rate electric energy, data-frozen, load curve
The reliability of record.However electric energy meter internal hardware clock can lead to clock data entanglement (fast or slow) because of battery undervoltage,
Being stored in Backup Data in clock backup data register also can be because of electromagnetic interference, the factors such as register damage and disorder (year
Part month is wrong).The failure of the data entanglement of clock of power meter generation at present is more typical.And when the clock generation data entanglement of electric energy meter
The measure not detected, the mechanism also restored without amendment.The quality and customer experience for seriously affecting electric energy meter, are waited to be modified.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of clock of power meter abnormality detection and modified methods, pass through
External GPS satellite reference clock information is introduced, existing electric energy table function is extended, electric energy meter is enable periodically to detect internal clocking and outer
Whether portion's GPS reference clock there is deviation.Once detecting clock jitter, can be issued on warning note and active by electric energy meter
The different modes such as time signal clock deviation information notify operation maintenance personnel.Then by the electric energy of deviation by way of encryption authorization
It is consistent that table clock is adapted to reference clock.The function of having carried out electric energy meter improves the quality of electric energy meter.
The present invention solves above-mentioned technical problem and receives the technical solution taken are as follows: a kind of introducing GPS external clock amendment electricity
The method of energy table internal clocking failure is specific to include step in detail below:
A method of it introducing GPS external clock and corrects electric energy meter internal clocking failure comprising the steps of:
(1) electric energy table function is extended:
1. increase " ammeter clock failure " alarm mode function and " ammeter clock failure " active reporting function inside electric energy meter,
And increase flashing display on liquid crystal screens of electric energy metersIndicate " ammeter clock failure " alarm；
2. extending electric energy meter internal register quantity, increase reference clock signal register, electric energy meter internal hardware clock signal
Register and electric energy meter internal hardware clock back-up registers；
3. increasing local reference clock authorization adjusts clock of power meter function, i.e., under conditions of opening programming key；Use programmable device
By electric energy meter infrared communication interface, electric energy meter hardware clock is adjusted to reference clock；Or pass through RS-485 with computer
Electric energy meter hardware clock is adjusted to reference clock by communication interface；
4. increasing long-range reference clock authorization adjustment clock of power meter function, electric energy meter receives long-range reference clock adjustment encryption and refers to
It enables, adjusts clock of power meter function；
5. increasing reference clock and clock of power meter multilevel iudge function inside electric energy meter；
6. increasing clock inside electric energy meter modifies logout；
(2) extension collector and acquisition master function:
1. extending electric energy meter protocol data item, increase " ammeter clock failure " active reporting data item；
2. increasing centralized automatic meter-reading main website quotes GPS reference clock function, when increasing main website to reading meter collection machine broadcast distribution benchmark
Clock function；
3. increasing centralized automatic meter-reading acquisition terminal receives GPS reference clock function, acquisition terminal internal hardware clock function is corrected；
4. increasing the function that centralized automatic meter-reading acquisition terminal sends reference clock signal to electric energy meter；
(3) failure is corrected:
A. centralized automatic meter-reading acquisition terminal receives the GPS reference clock signal of main website transmission, as reference clock；
B. at interval of 24 hours, fixed time broadcast issues reference clock to all collected electric energy meters；
C. electric energy meter receives the reference clock signal of terminal publication, reference clock information preservation to reference clock signal register；
D. electric energy meter receives the reference clock signal of terminal publication, electric energy meter internal hardware clock information preservation to electric energy meter
Internal hardware clock sign register；
E. judge the difference of reference clock signal register clock Yu electric energy meter internal hardware clock sign register clock, if
The two was differed less than 60 seconds, then judged that clock of power meter is normal, then when reference clock information preservation to electric energy meter internal hardware
Clock back-up registers, clock amendment terminates, if the two differs by more than 60 seconds, judges clock of power meter mistake, then electric energy meter opens
Dynamic " ammeter clock failure " alarm mode；
F. after starting " ammeter clock failure " alarm mode, display is flashed on liquid crystal screens of electric energy meters；Indicate " ammeter
Clock failure "；The flashing of electric energy meter alarm lamp；Start electric energy meter " ammeter clock failure " active reporting function, sends " electricity to main website
Table clock failure " data item；
G. long-range main website handles clock failure: enabling electric energy meter and receives long-range reference clock encrypted instruction, adjusts clock of power meter
Function, main website receive " ammeter clock failure " alarm signal that electric energy meter reports；Through main website copy reading ammeter clock, when confirmation form
There are failures for clock；Instruction and reference clock information when issuing encrypted instruction school by main website；Electric energy meter is received by under main website
It instructs and decrypts when the encryption school of hair；Reference clock signal data are sent to electric energy meter hardware clock register and interior by electric energy meter
Portion's hardware clock back-up registers, it is consistent that hardware clock is adjusted to reference clock by electric energy meter, and clock amendment terminates；
H. when unsuccessful by g step process, using local artificial in-situ processing clock failure, electric energy meter reference clock is enabled
Authorization adjustment clock of power meter function；Under conditions of opening programming key, pass through electric energy meter infrared communication interface with programmable device
Instruction is sent, or instruction is sent by RS-485 communication interface with computer, reference clock signal data are sent to by electric energy meter
Electric energy meter hardware clock is adjusted to reference clock by electric energy meter hardware clock register and internal hardware clock back-up registers,
Clock amendment terminates；
I. increase clock inside electric energy meter and modify logout.
The content of the active reporting data item include: 1) clock failure record；2) moment occurs；3) finish time；
4) time deviation；5) forward direction active energy indicating value when clock failure occurs；6) forward direction reactive energy indicating value when clock failure occurs；
7) clock chip voltage when clock failure occurs.
The fixed time broadcast publication reference clock content includes year, month, day, hour, min, second.
Wherein, the electric energy meter communications protocol is " multifunctional electric energy meter communication protocol " (DL/T645-2007).
Preferably, the reference clock information refers to the clock information from GPS satellite that main website receives.
In view of there are the influences of delay time for message transmitting procedure between main website and electric energy meter, thus judge reference clock with
Electric energy meter internal hardware clock difference then judged that clock of power meter is normal, not corrected less than 60 seconds.
Compared with prior art the advantage of the invention is that introducing external GPS reference clock information, enable electric energy meter timing
Whether detection clock there is deviation.Once clock jitter is detected, when can issue warning note and active reporting by electric energy meter
The different modes such as clock deviation information notify operation maintenance personnel.When then by way of encryption authorization by the electric energy meter of deviation
It is consistent that clock is adapted to reference clock.Improve the quality of electric energy meter.
Detailed description of the invention
Fig. 1 is that external clock introduces electric energy meter schematic diagram；
Fig. 2 is that electric energy meter starts " ammeter clock failure " alarm mode schematic diagram；
Fig. 3 is to enable the authorization of electric energy meter reference clock to adjust clock of power meter schematic diagram of the function；
Fig. 4 is to enable electric energy meter to receive long-range reference clock encrypted instruction, adjusts clock of power meter schematic diagram of the function.
Specific embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment 1
This preferred embodiment is a kind of method that introducing GPS external clock corrects electric energy meter internal clocking failure comprising the steps of:
(1) electric energy table function is extended:
1. increase " ammeter clock failure " alarm mode function and " ammeter clock failure " active reporting function inside electric energy meter,
And increase flashing display on liquid crystal screens of electric energy meters, indicate " ammeter clock failure " alarm；
2. extending electric energy meter internal register quantity, increase reference clock signal register, electric energy meter internal hardware clock signal
Register and electric energy meter internal hardware clock back-up registers；
3. increasing local reference clock authorization adjusts clock of power meter function, i.e., under conditions of opening programming key；Use programmable device
By electric energy meter infrared communication interface, electric energy meter hardware clock is adjusted to reference clock；Or pass through RS-485 with computer
Electric energy meter hardware clock is adjusted to reference clock by communication interface；
4. increasing long-range reference clock authorization adjustment clock of power meter function, electric energy meter receives long-range reference clock adjustment encryption and refers to
It enables, adjusts clock of power meter function；
5. increasing reference clock and clock of power meter multilevel iudge function inside electric energy meter；
6. increasing clock inside electric energy meter modifies logout；
(2) extension collector and acquisition master function:
1. extending electric energy meter protocol data item, increase " ammeter clock failure " active reporting data item；
2. increasing centralized automatic meter-reading main website quotes GPS reference clock function, when increasing main website to reading meter collection machine broadcast distribution benchmark
Clock function；
3. increasing centralized automatic meter-reading acquisition terminal receives GPS reference clock function, acquisition terminal internal hardware clock function is corrected；
4. increasing the function that centralized automatic meter-reading acquisition terminal sends reference clock signal to electric energy meter；
(3) failure is corrected:
A. centralized automatic meter-reading acquisition terminal receives the GPS reference clock signal of main website transmission, as reference clock；
B. at interval of 24 hours, fixed time broadcast issues reference clock to all collected electric energy meters；
C. electric energy meter receives the reference clock signal of terminal publication, reference clock information preservation to reference clock signal register；
D. electric energy meter receives the reference clock signal of terminal publication, electric energy meter internal hardware clock information preservation to electric energy meter
Internal hardware clock sign register；
E. judge the difference of reference clock signal register clock Yu electric energy meter internal hardware clock sign register clock, if
The two was differed less than 60 seconds, then judged that clock of power meter is normal, then when reference clock information preservation to electric energy meter internal hardware
Clock back-up registers, clock amendment terminates, if the two differs by more than 60 seconds, judges clock of power meter mistake, then electric energy meter opens
Dynamic " ammeter clock failure " alarm mode；
F. after starting " ammeter clock failure " alarm mode, display is flashed on liquid crystal screens of electric energy meters；Indicate " ammeter
Clock failure "；The flashing of electric energy meter alarm lamp；Start electric energy meter " ammeter clock failure " active reporting function, sends " electricity to main website
Table clock failure " data item；
G. long-range main website handles clock failure: enabling electric energy meter and receives long-range reference clock encrypted instruction, adjusts clock of power meter
Function, main website receive " ammeter clock failure " alarm signal that electric energy meter reports；Through main website copy reading ammeter clock, when confirmation form
There are failures for clock；Instruction and reference clock information when issuing encrypted instruction school by main website；Electric energy meter is received by under main website
It instructs and decrypts when the encryption school of hair；Reference clock signal data are sent to electric energy meter hardware clock register and interior by electric energy meter
Portion's hardware clock back-up registers, it is consistent that hardware clock is adjusted to reference clock by electric energy meter, and clock amendment terminates；
H. when unsuccessful by g step process, using local artificial in-situ processing clock failure, electric energy meter reference clock is enabled
Authorization adjustment clock of power meter function；Under conditions of opening programming key, pass through electric energy meter infrared communication interface with programmable device
Instruction is sent, or instruction is sent by RS-485 communication interface with computer, reference clock signal data are sent to by electric energy meter
Electric energy meter hardware clock is adjusted to reference clock by electric energy meter hardware clock register and internal hardware clock back-up registers,
Clock amendment terminates；
I. increase clock inside electric energy meter and modify logout.
The content of the active reporting data item include: 1) clock failure record；2) moment occurs；3) finish time；
4) time deviation；5) forward direction active energy indicating value when clock failure occurs；6) forward direction reactive energy indicating value when clock failure occurs；
7) clock chip voltage when clock failure occurs.
The fixed time broadcast publication reference clock content includes year, month, day, hour, min, second.
Wherein, the electric energy meter communications protocol is " multifunctional electric energy meter communication protocol " (DL/T645-2007).
Claims (4)
1. a kind of method for introducing GPS external clock amendment electric energy meter internal clocking failure, which is characterized in that include following step
It is rapid:
(1) electric energy table function is extended:
1. increase " ammeter clock failure " alarm mode function and " ammeter clock failure " active reporting function inside electric energy meter,
And increase flashing display on liquid crystal screens of electric energy meters, indicate " ammeter clock failure " alarm；
2. extending electric energy meter internal register quantity, increase reference clock signal register, electric energy meter internal hardware clock signal
Register and electric energy meter internal hardware clock back-up registers；
3. increasing local reference clock authorization adjusts clock of power meter function, i.e., under conditions of opening programming key；Use programmable device
By electric energy meter infrared communication interface, electric energy meter hardware clock is adjusted to reference clock；Or pass through RS-485 with computer
Electric energy meter hardware clock is adjusted to reference clock by communication interface；
4. increasing long-range reference clock authorization adjustment clock of power meter function, electric energy meter receives long-range reference clock adjustment encryption and refers to
It enables, adjusts clock of power meter function；
5. increasing reference clock and clock of power meter multilevel iudge function inside electric energy meter；
6. increasing clock inside electric energy meter modifies logout；
(2) extension collector and acquisition master function:
1. extending electric energy meter protocol data item, increase " ammeter clock failure " active reporting data item；
2. increasing centralized automatic meter-reading main website quotes GPS reference clock function, when increasing main website to reading meter collection machine broadcast distribution benchmark
Clock function；
3. increasing centralized automatic meter-reading acquisition terminal receives GPS reference clock function, acquisition terminal internal hardware clock function is corrected；
4. increasing the function that centralized automatic meter-reading acquisition terminal sends reference clock signal to electric energy meter；
(3) failure is corrected:
A. centralized automatic meter-reading acquisition terminal receives the GPS reference clock signal of main website transmission, as reference clock；
B. at interval of 24 hours, fixed time broadcast issues reference clock to all collected electric energy meters；
C. electric energy meter receives the reference clock signal of terminal publication, reference clock information preservation to reference clock signal register；
D. electric energy meter receives the reference clock signal of terminal publication, electric energy meter internal hardware clock information preservation to electric energy meter
Internal hardware clock sign register；
E. judge the difference of reference clock signal register clock Yu electric energy meter internal hardware clock sign register clock, if
The two was differed less than 60 seconds, then judged that clock of power meter is normal, then when reference clock information preservation to electric energy meter internal hardware
Clock back-up registers, clock amendment terminates, if the two differs by more than 60 seconds, judges clock of power meter mistake, then electric energy meter opens
Dynamic " ammeter clock failure " alarm mode；
F. after starting " ammeter clock failure " alarm mode, display is flashed on liquid crystal screens of electric energy meters；It indicates " when ammeter
Clock failure "；The flashing of electric energy meter alarm lamp；Start electric energy meter " ammeter clock failure " active reporting function, sends " ammeter to main website
Clock failure " data item；
G. long-range main website handles clock failure: enabling electric energy meter and receives long-range reference clock encrypted instruction, adjusts clock of power meter
Function, main website receive " ammeter clock failure " alarm signal that electric energy meter reports；Through main website copy reading ammeter clock, when confirmation form
There are failures for clock；Instruction and reference clock information when issuing encrypted instruction school by main website；Electric energy meter is received by under main website
It instructs and decrypts when the encryption school of hair；Reference clock signal data are sent to electric energy meter hardware clock register and interior by electric energy meter
Portion's hardware clock back-up registers, it is consistent that hardware clock is adjusted to reference clock by electric energy meter, and clock amendment terminates；
H. when unsuccessful by g step process, using local artificial in-situ processing clock failure, electric energy meter reference clock is enabled
Authorization adjustment clock of power meter function；Under conditions of opening programming key, pass through electric energy meter infrared communication interface with programmable device
Instruction is sent, or instruction is sent by RS-485 communication interface with computer, reference clock signal data are sent to by electric energy meter
Electric energy meter hardware clock is adjusted to reference clock by electric energy meter hardware clock register and internal hardware clock back-up registers,
Clock amendment terminates；
I. increase clock inside electric energy meter and modify logout.
2. a kind of method for introducing GPS external clock amendment electric energy meter internal clocking failure according to claim 1, special
Sign is, the content of the active reporting data item includes: 1) clock failure record；2) moment occurs；3) finish time；4)
Time deviation；5) forward direction active energy indicating value when clock failure occurs；6) forward direction reactive energy indicating value when clock failure occurs；7)
Clock chip voltage when clock failure occurs.
3. a kind of method for introducing GPS external clock amendment electric energy meter internal clocking failure according to claim 1, special
Sign is that the fixed time broadcast publication reference clock content includes year, month, day, hour, min, second.
4. a kind of method for introducing GPS external clock amendment electric energy meter internal clocking failure according to claim 1, special
Sign is, reference clock information refer to that main website receives from GPS satellite reference clock information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810914009.1A CN109062025A (en) | 2018-08-13 | 2018-08-13 | A method of it introducing GPS external clock and corrects electric energy meter internal clocking failure |
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| CN201810914009.1A CN109062025A (en) | 2018-08-13 | 2018-08-13 | A method of it introducing GPS external clock and corrects electric energy meter internal clocking failure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736873A (en) * | 2019-10-29 | 2020-01-31 | 宁波三星医疗电气股份有限公司 | clock repairing method, power terminal and power system |
| CN111398675A (en) * | 2020-03-26 | 2020-07-10 | 杭州电瓦特信息技术有限责任公司 | Electric energy meter reading method, device and system |
| CN114362871A (en) * | 2021-12-28 | 2022-04-15 | 江苏林洋能源股份有限公司 | Method for self-maintaining clock of electric energy meter group |
| 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 |
| CN115292099A (en) * | 2022-09-26 | 2022-11-04 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter clock processing method and device and storage medium |
| CN115981135A (en) * | 2023-03-17 | 2023-04-18 | 深圳市天辰防务通信技术有限公司 | Military vehicle-mounted time system equipment, control method thereof and time system processing board |
| CN116540518A (en) * | 2023-07-04 | 2023-08-04 | 云南电网有限责任公司 | Method and system for judging clock out-of-step of relay protection device through remote wave recording |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110736873A (en) * | 2019-10-29 | 2020-01-31 | 宁波三星医疗电气股份有限公司 | clock repairing method, power terminal and power system |
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| 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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| CN114362871A (en) * | 2021-12-28 | 2022-04-15 | 江苏林洋能源股份有限公司 | Method for self-maintaining clock of electric energy meter group |
| CN114362871B (en) * | 2021-12-28 | 2024-01-05 | 江苏林洋能源股份有限公司 | Method for self-maintaining clock of electric energy meter group |
| CN115292099A (en) * | 2022-09-26 | 2022-11-04 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter clock processing method and device and storage medium |
| CN115981135A (en) * | 2023-03-17 | 2023-04-18 | 深圳市天辰防务通信技术有限公司 | Military vehicle-mounted time system equipment, control method thereof and time system processing board |
| CN115981135B (en) * | 2023-03-17 | 2023-06-06 | 深圳市天辰防务通信技术有限公司 | Military vehicle-mounted time system equipment, control method thereof and time system processing board |
| CN116540518A (en) * | 2023-07-04 | 2023-08-04 | 云南电网有限责任公司 | Method and system for judging clock out-of-step of relay protection device through remote wave recording |
| CN116540518B (en) * | 2023-07-04 | 2023-10-13 | 云南电网有限责任公司 | Method and system for judging clock out-of-step of relay protection device through remote wave recording |
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Application publication date: 20181221 |
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| WW01 | Invention patent application withdrawn after publication |