CN202818369U - Clock server supporting IEC61850 clock information publishing - Google Patents
Clock server supporting IEC61850 clock information publishing Download PDFInfo
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- CN202818369U CN202818369U CN201220438114.0U CN201220438114U CN202818369U CN 202818369 U CN202818369 U CN 202818369U CN 201220438114 U CN201220438114 U CN 201220438114U CN 202818369 U CN202818369 U CN 202818369U
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Abstract
The utility model provides a clock server supporting IEC61850 clock information publishing. The clock server comprises an external clock source unit for receiving an external clock source signal; a main processing unit connected with the external clock source unit and used for adjusting the external clock source signal and an self internal clock reference for accurate synchronization and outputting a clock reference signal, wherein the main processing unit comprises a network processing module for publishing various state information of the clock server to the background by the IEC61850 protocol; and a time service signal interface unit connected with the main processing unit and used for outputting the clock reference signal to the external. According to the utility model, the network processing module is used for publishing the various state information of the clock server to the background by the IEC61850 protocol, so that the real-time monitoring of the monitor center to the clock server is realized, and the safe, reliable operation of communication and power grids is realized.
Description
Technical field
The utility model belongs to technical field of electronic devices, relates to a kind of clock server, particularly relates to a kind of clock server of the IEC61850 of support clock information issue.
Background technology
Along with the day by day complexity of automation equipment in the electric power system and supervisory control system, for providing the synchronizing clock signals of enough accuracy, electric power system becomes the key factor of the sane degree of raising equipment operation and supervisory control system accuracy.Often in the prior art adopt a kind ofly based on the synchronous punctual clock circuit in the two time service sources of GPS/ dipper system, this circuit can effectively be followed the tracks of time service source clock signal.On the basis of satellite and punctual clock circuit clock signal, utilize the time interval measurement technology can obtain a kind of local clock server of high stability crystal oscillator, this clock server can keep higher precision within a certain period of time.
And along with intelligent grid construction expansion at home, also in the urgent need to clock synchronization apparatus a kind of unification, high-precision, provide reliable time parameter with the measurements and calculations of thinking various measurement mechanisms in the net in the electrical network.In the prior art, have a kind of employing with GPS, the Big Dipper and other may input mode respectively as the active and standby input of device, use the network output of IEEE1588 agreement as the clock server of the main way of output; The tablet of this clock server is made of satellite navigation OEM dash receiver, FPGA decoding chip, singlechip chip, and output board is realized the encapsulation of bag literary composition by the IP kernel of FPGA, and physical chip DP83640 realizes network interface.
At present, the no matter communications industry or power industry are based on the extensive use of multi-source time dissemination system of GPS, BD satellite.But the development along with the communications industry and power industry, and the raising of productive life level, inter-trade miscellaneous service is also more and more, the clock that only is applied in separately an industry in the past just can't satisfy the clock synchronous demand of inter-trade business, so be badly in need of a kind ofly being applied to simultaneously power industry and the communications industry, and guarantee the unified clock apparatus of the safe and reliable operation of communication and electrical network.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model are to provide a kind of clock server of the IEC61850 of support clock information issue, and this clock server can guarantee to communicate by letter and the safe and reliable operation of electrical network.
Reach for achieving the above object other relevant purposes, the utility model provides a kind of clock server of the IEC61850 of support clock information issue.
A kind of clock server of supporting the issue of IEC61850 clock information, the clock server of described support IEC61850 clock information issue comprises: the external clock source unit that is used for receiving the external clock source signal; Link to each other with described external clock source unit, be used for adjusting the Main Processor Unit of external clock source signal and self internal clocking benchmark precise synchronization and output clock reference signal; Described Main Processor Unit comprises for the various state informations of described clock server are passed through the IEC61850 protocol issuance to the network process module on backstage; Link to each other with described Main Processor Unit, be used for exporting described clock reference signal to outside time signal interface unit.
Preferably, described Main Processor Unit also comprises be used to the rubidium atomic clock that the internal clocking benchmark is provided.
Preferably, described Main Processor Unit also comprises the high-performance treatments module for the treatment of various signal datas, and described high-performance treatments module links to each other with the time signal interface unit with described external clock source unit respectively.
Preferably, described high-performance treatments module is flush bonding processor.
Preferably, described external clock source unit comprises gps clock source, big-dipper satellite clock source, clock synchronization compliant with precision time protocol source, IRIG-B clock source, TOD clock source, 1PPS clock source.
Preferably, described time signal interface unit comprises PPS/PPM/PPX output of pulse signal interface, NTP/SNTP/PTP signal output interface, IRIG-B signal output interface, serial time message output interface.
As mentioned above, the clock server of support IEC61850 clock information described in the utility model issue has following beneficial effect:
The utility model has adopted network process module that the various state informations of described clock server are passed through the IEC61850 protocol issuance to the background monitoring center, realize the Real Time Monitoring of Surveillance center to clock server, guaranteed the safe and reliable operation of communication and electrical network.
Description of drawings
Fig. 1 is shown as the structural representation of the clock server of support IEC61850 clock information described in the utility model issue.
Fig. 2 is shown as the schematic flow sheet of the clock server issue IEC61850 information of support IEC61850 clock information described in the utility model issue.
The element numbers explanation
1 external clock source unit
2 Main Processor Units
21 network process modules
22 rubidium atomic clocks
23 high-performance treatments modules
3 time signal interface units
Embodiment
Below by particular specific embodiment execution mode of the present utility model is described, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
See also accompanying drawing.Notice, the appended graphic structure that illustrates of this specification, ratio, size etc., equal contents in order to cooperate specification to disclose only, understand and reading for person skilled in the art scholar, be not to limit the enforceable qualifications of the utility model, so technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop on the technology contents that the utility model discloses and get in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
Embodiment
Present embodiment provides a kind of clock server of the IEC61850 of support clock information issue, and as shown in Figure 1, the clock server of described support IEC61850 clock information issue comprises external clock source unit 1, Main Processor Unit 2, time signal interface unit 3; Described Main Processor Unit 2 links to each other with time signal interface unit 3 with described external clock source unit 1 respectively.
The below is described in detail respectively unit respectively.
[external clock source unit 1]
Described external clock source unit 1 is used for receiving the external clock source signal.Described external clock source unit 1 comprises gps clock source, big-dipper satellite clock source, clock synchronization compliant with precision time protocol source, IRIG-B clock source, TOD clock source, 1PPS clock source.The clock server that is the issue of described support IEC61850 clock information can be for multiple time signals such as GPS, big-dipper satellite, IRIG-B code, PTP network, 1PPS+TOD as a reference source, with external time reference correcting local high accuracy atomic time benchmark, and it is optimized stable, regulate the internal reference time as the output reference of whole clock server.
[Main Processor Unit 2]
Described Main Processor Unit 2 links to each other with described external clock source unit, is used for adjusting external clock source signal and self internal clocking benchmark precise synchronization and output clock reference signal.
Described Main Processor Unit 2 comprises network process module 21, rubidium atomic clock 22, high-performance treatments module 23.
Described network process module 21 is used for the various state informations of described clock server are arrived the backstage by the IEC61850 protocol issuance.
Described rubidium atomic clock 22 is used for providing the internal clocking benchmark.
Described high-performance treatments module 23 links to each other with time signal interface unit 3 with described external clock source unit 1 respectively, for the treatment of various signal datas.Further, described high-performance treatments module is flush bonding processor.
Described Main Processor Unit 2 mainly is deal with data and theoretical to the inner punctual theory of rubidium atomic clock employing closed-loop control and digital filtering technique, the designed, designed algorithm will be optimized stable external time reference and be adjusted to precise synchronization with inner punctual clock, overcome the impact that the pulse signal saltus step in external time reference source brings, guaranteed the stability of multiple clock sources handoff procedure, made the time synchronizing signal of system's output have very high accuracy and stability.Simultaneously, the high stability of rubidium atomic clock has also guaranteed the certainly punctual precision of system, has realized the short-term stability of system and effective combination and the performance boost of long-time stability; Main Processor Unit can be published to the backstage with MMS information with the various state informations of clock server simultaneously, so that background terminal is to the condition monitoring of clock server.
[time signal interface unit 3]
Described time signal interface unit 3 links to each other with described Main Processor Unit 2, is used for exporting described clock reference signal to outside.Described time signal interface unit 3 comprises PPS/PPM/PPX output of pulse signal interface, NTP/SNTP/PTP signal output interface, IRIG-B signal output interface, serial time message output interface.
Described time signal interface unit mainly is that the clock reference signal that interior optimization is stable is realized optimized time signal output through high speed device.
Present embodiment also provides a kind of method of clock server issue IEC61850 information of the IEC61850 of support clock information issue, and as shown in Figure 2, the method may further comprise the steps:
S1, the external clock source unit receives the external clock source signal;
S2, Main Processor Unit is adjusted external clock source signal and self internal clocking benchmark precise synchronization, and the output clock reference signal; Wherein, the rubidium atomic clock in the described Main Processor Unit provides the internal clocking benchmark; The various signal datas of high-performance treatments resume module in the described Main Processor Unit; Network process module in the described Main Processor Unit arrives the backstage with the various state informations of described clock server by the IEC61850 protocol issuance;
S3, the time signal interface unit exports described clock reference signal to outside.
The clock server of support IEC61850 clock information described in the utility model issue meets the precision interval clock synchronous protocol standard of IEEE1588-V1/V2 network measure and control system, and can realize guaranteeing the safe and reliable operation of communication and electrical network based on the issue of IEC61850-8-1 intelligent substation precision clock information.
The clock server of support IEC61850 clock information described in the utility model issue has GPS, big-dipper satellite receiver, its inside can adopt the EXPAND BMC algorithm clock source that choice accuracy is high fast and accurately synchronous, also can external IRIG-B or the PPS signal as input source.Output signal can select pulse per second (PPS) (1PPS), minute pulse (1PPM), the time pulse (1PPH), IRIG-B(DC) timing code, IRIG-B(AC) timing code, IRIG-B(Manchester), 10KHz, serial ports time message, NTP time service, PTP time service equal time synchronizing signal, the mutually isolation on electric of each road output signal.As a high-grade clock server, but the inner OCXO of the new option and installment of this practicality or rubidium atomic clock, make equipment have preferably punctual ability, the clock control algorithm of simultaneity factor inside output time information stably in the certain hour section keeps certain time service accuracy.This practicality is newly with MMS(IEC61850) report clock information, so that backstage monitoring clock is served simple state.
Traditional multi-source clock server does not have IEC61850 clock information issuing function, and clock server described in the utility model is based on the basis of MPC8313 high performance communication processor and has set up complete Embedded Hardware Platform, adopt built-in Linux operating system, in order to support IEC61850 clock information issuing function.Application technology based on intelligent grid, finished the exploitation of IEC61850 communication standard, the information exchanges such as big dipper clock source information, running status, principal and subordinate's clock mode of operation, precision are crossed the IEC61850 agreement be sent to intelligent grid Surveillance center, so that intelligent grid control system core clock unit is among the complete closed loop real time monitoring.The specific communication map of services of IEC61850 definition is again be used to the 7 layer protocol frameworks that operate on the link of IEEE802.3 Ethernet.Therefore, the hardware platform that adopts of the utility model can be fit to multitask and requirement of real-time, support mainly with too network interface and other various Peripheral Interfaces.
In sum, the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under spirit that the utility model discloses and the technological thought, must be contained by claim of the present utility model.
Claims (6)
1. a clock server of supporting the issue of IEC61850 clock information is characterized in that, the clock server of described support IEC61850 clock information issue comprises:
Be used for receiving the external clock source unit of external clock source signal;
Link to each other with described external clock source unit, be used for adjusting the Main Processor Unit of external clock source signal and self internal clocking benchmark precise synchronization and output clock reference signal; Described Main Processor Unit comprises for the various state informations of described clock server are passed through the IEC61850 protocol issuance to the network process module on backstage;
Link to each other with described Main Processor Unit, be used for exporting described clock reference signal to outside time signal interface unit.
2. the clock server of support according to claim 1 IEC61850 clock information issue, it is characterized in that: described Main Processor Unit also comprises be used to the rubidium atomic clock that the internal clocking benchmark is provided.
3. the clock server of support according to claim 1 IEC61850 clock information issue, it is characterized in that: described Main Processor Unit also comprises the high-performance treatments module for the treatment of various signal datas, and described high-performance treatments module links to each other with the time signal interface unit with described external clock source unit respectively.
4. the clock server of support according to claim 3 IEC61850 clock information issue, it is characterized in that: described high-performance treatments module is flush bonding processor.
5. the clock server of support according to claim 1 IEC61850 clock information issue, it is characterized in that: described external clock source unit comprises gps clock source, big-dipper satellite clock source, clock synchronization compliant with precision time protocol source, IRIG-B clock source, TOD clock source, 1PPS clock source.
6. the clock server of support according to claim 1 IEC61850 clock information issue, it is characterized in that: described time signal interface unit comprises PPS/PPM/PPX output of pulse signal interface, NTP/SNTP/PTP signal output interface, IRIG-B signal output interface, serial time message output interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220438114.0U CN202818369U (en) | 2012-08-30 | 2012-08-30 | Clock server supporting IEC61850 clock information publishing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220438114.0U CN202818369U (en) | 2012-08-30 | 2012-08-30 | Clock server supporting IEC61850 clock information publishing |
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| CN202818369U true CN202818369U (en) | 2013-03-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639309A (en) * | 2014-12-31 | 2015-05-20 | 南京大全自动化科技有限公司 | IRIG-B (Inter-range Instrumentation Group-B)-based automatic time delay compensation method and system thereof |
| CN105430387A (en) * | 2015-12-16 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Camera/video camera exposure time testing system and method |
| WO2017000480A1 (en) * | 2015-07-01 | 2017-01-05 | 中兴通讯股份有限公司 | Time synchronization method, server and system, and storage medium |
| CN107505832A (en) * | 2017-08-02 | 2017-12-22 | 桂林电子科技大学 | A kind of high-precision time dissemination system |
| CN116131989A (en) * | 2023-04-19 | 2023-05-16 | 沈阳航盛科技有限责任公司 | Synchronous clock optimization method for optical fiber network system |
-
2012
- 2012-08-30 CN CN201220438114.0U patent/CN202818369U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639309A (en) * | 2014-12-31 | 2015-05-20 | 南京大全自动化科技有限公司 | IRIG-B (Inter-range Instrumentation Group-B)-based automatic time delay compensation method and system thereof |
| CN104639309B (en) * | 2014-12-31 | 2018-07-06 | 南京大全自动化科技有限公司 | A kind of method and its system compensated automatically based on IRIG-B delays |
| WO2017000480A1 (en) * | 2015-07-01 | 2017-01-05 | 中兴通讯股份有限公司 | Time synchronization method, server and system, and storage medium |
| CN105430387A (en) * | 2015-12-16 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Camera/video camera exposure time testing system and method |
| CN105430387B (en) * | 2015-12-16 | 2017-12-01 | 中国科学院西安光学精密机械研究所 | Camera/video camera exposure time testing system and method |
| CN107505832A (en) * | 2017-08-02 | 2017-12-22 | 桂林电子科技大学 | A kind of high-precision time dissemination system |
| CN107505832B (en) * | 2017-08-02 | 2019-11-19 | 桂林电子科技大学 | A kind of high-precision time dissemination system |
| CN116131989A (en) * | 2023-04-19 | 2023-05-16 | 沈阳航盛科技有限责任公司 | Synchronous clock optimization method for optical fiber network system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171128 Address after: Room 802, building No. 5, No. 3000, Longdong Avenue, China (Shanghai) free trade test area, Shanghai Patentee after: SHANGHAI KYLAND YUANJING INDUSTRIAL TECHNOLOGY CO.,LTD. Address before: 200030, Shanghai, Pudong New Area new Jinqiao Road, No. 2, building 1295, building 5 Patentee before: SHANGHAI DIGIGRID INFORMATION TECHNOLOGY CO.,LTD. |
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Granted publication date: 20130320 |