CN206629068U - A kind of clock synchronization system - Google Patents
A kind of clock synchronization system Download PDFInfo
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- CN206629068U CN206629068U CN201720388088.8U CN201720388088U CN206629068U CN 206629068 U CN206629068 U CN 206629068U CN 201720388088 U CN201720388088 U CN 201720388088U CN 206629068 U CN206629068 U CN 206629068U
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- time
- gps
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- processing unit
- clock synchronization
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Abstract
The utility model discloses a kind of clock synchronization system, a kind of clock synchronization system, including standard signal processing unit, also include outside input module, GPS, BD receivers, display and control unit, frequency source and the time generation unit being connected respectively with standard signal processing unit, GPS is connected with gps antenna, BD receivers are connected with BD antennas, and frequency source and time generation unit are connected with showing with control unit and time signal output unit respectively.The utility model is standby each other using multiple time sources, using dual redundant power supply powering mode, has the characteristics of dependable performance, safe, precision is high.
Description
Technical field
It the utility model is related to technical field of satellite time service, and in particular to a kind of clock synchronization system, suitable for for power network
Automation equipment, frequency monitoring, phase measurement etc. provide reference time signal.
Background technology
The time source that the clock synchronization system of the intelligent power network of Most current uses is the GPS that dual-mode antenna receives
With the satellite-signal of the Big Dipper, when antenna reception signal is unstable, inputted without other standby time sources, and system only has an electricity
Source unit, therefore system is not safe and reliable；The output signal of General System does not have high-precision PTP so that the precision of system
It is not high enough.
Utility model content
The purpose of this utility model is to be in view of the above-mentioned problems existing in the prior art, there is provided a kind of time synchronized system
System, the system use more time sources, i.e. the Big Dipper（BD）, global positioning system（GPS）, terrestrial links Precision Time Protocol
（PTP）Timing code, serial time code（IRIG-B）Input, dual redundant power supply powering mode, it is intelligent power network and other electricity
The system monitoring of Force system, system control, systematic survey, failure logging etc. provide high precision, high stability, high security,
The standard time service of high reliability.
A kind of clock synchronization system, including standard signal processing unit, in addition to connect respectively with standard signal processing unit
Outside input module, GPS, BD receivers, display and control unit, frequency source and the time generation unit connect, GPS
Receiver is connected with gps antenna, and BD receivers are connected with BD antennas, and frequency source and time generation unit are respectively with display with controlling
Unit processed connects with time signal output unit.
A kind of clock synchronization system, in addition to connect for standard signal processing unit, outside input module, GPS, BD
Receipts machine, display and control unit, frequency source and time generation unit, time signal output unit provide the power supply mould of power supply
Block.
Power module as described above includes main power source and stand-by power supply.
The utility model compared with prior art, has advantages below：
1st, synchronization accuracy is high, easily operated, dependable performance；
2nd, redundant configuration, the reliability of system are high；
3rd, it is simple and convenient using modularized design, the adjustment of function and technical indicator；
4th, plug-in type can be used to design, easily changes various output signal modules, meet different demands；
5th, output signal passes through optically isolated, strong antijamming capability；
6th, a variety of serial information outputs and interactive mode can be achieved, to meet that unlike signal utilizes demand.
Brief description of the drawings
Fig. 1 is the utility model principle block diagram；
In figure, 1- main power sources, 2- stand-by power supplies, 3- outside inputs module, 4-GPS antennas, 5-BD antennas, 6-GPS are received
Machine, 7-BD receivers, 8- standard signals processing unit, 9- frequency sources and time generation unit, 10- show with control unit,
11- time signal output units.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in fig. 1, a kind of clock synchronization system, including standard signal processing unit 8, in addition to respectively with standard signal
Processing unit 8 connect outside input module 3, GPS 6, BD receivers 7, display with control unit 10, frequency source and
Time generation unit 9, GPS 6 are connected with gps antenna 4, and BD receivers 7 are connected with BD antennas 5, frequency source and time
Generation unit 9 is connected with showing with control unit 10 and time signal output unit 11 respectively.
A kind of clock synchronization system, in addition to for standard signal processing unit 8, outside input module 3, GPS 6,
BD receivers 7, display and control unit 10, frequency source and time generation unit 9, time signal output unit 11 provide power supply
Power module.
Power subsystem, including main power source 1 and stand-by power supply 2, main power source 1 and stand-by power supply 2 use PWR30, are system
Various power demands required for providing, using dual redundant power supply powering mode, i.e., two separate main power sources 1 and standby
For power supply 2 respectively with Diode series, then parallel connection is system power supply as power subsystem, as long as a power subsystem is normal, is
System all can be with normal work.
Outside input module 3, the model of outside input module 3 can use LFXP2-8E, and outside input module 3 receives PTP
Time source（RJ45 network communication interfaces）PTP pulse per second (PPS)s time signal and IRIG-B time sources（Optical interface）IRIG-B second arteries and veins
Rush time signal.PTP pulse per second (PPS)s time signal and IRIG-B pulse per second (PPS) time signals are defeated by standard signal by outside input module 3
Processing unit 8.
Gps antenna 4 (using 0GGB27-49) and BD antennas 5 (using 0GGB27-49), GPS 6 (use M12MT)
Gps signal and BD signals, gps antenna are received by gps antenna 4 and BD antennas 5 respectively with BD receivers 7 (using ATGM331C)
Gps signal is transferred to GPS 6 by 4, and gps signal is converted to GPS second pulse period signal and is transferred to mark by GPS 6
Calibration signal processing unit 8；BD signals are transferred to BD receivers 7 by BD antennas 5, and BD signals are converted into BD second arteries and veins by BD receivers 7
Rush time signal and be transferred to standard signal processing unit 8.Gps antenna 4, GPS 6 and BD antennas 5, BD receivers 7 are
Two separate time signal input channels, as long as a time channel is working properly, standard signal processing unit 8
With normal work；If two equal cisco unity malfunctions of time signal input channel, also outside input module 3 to standard signal at
PTP pulse per second (PPS)s time signal and IRIG-B pulse per second (PPS) time signals that unit 8 provides are managed, ensures system worked well.
Standard signal processing unit 8, the model of standard signal processing unit 8 can use XC5VLX50T, and it is that system is established
The significant element of time system on the basis of UTC, it is the unique channel for obtaining UTC time.Standard signal processing unit 8 can be with
It is connected by optical interface with outside input module 3, receives IRIG-B pulse per second (PPS) time signals, RJ45 network interfaces can also be passed through
It is connected with outside input module 3, receives PTP pulse per second (PPS) time signals.Standard signal processing unit 8 with GPS 6 by connecting
GPS second pulse period signal is received, BD pulse per second (PPS) time signals are received by being connected with BD receivers 7.
As a kind of preferred scheme, standard signal processing unit 8 is in IRIG-B pulse per second (PPS)s time signal, PTP pulse per second (PPS)s
Between pass through priority ranking or manual control in signal, GPS second pulse period signal, BD pulse per second (PPS) time signals, select one
The signal of maximum intensity is as input pulse per second (PPS) time signal.Standard signal processing unit 8 will input pulse per second (PPS) time signal and pass
It is defeated by frequency source and time generation unit 9 and display and control unit 10.
Frequency source and time generation unit 9, frequency source and the model of time generation unit 9 can use AD9854, frequency
Rate source and time generation unit 9 are the core components of system, directly determine the time scale output essence of clock synchronization system
Degree, it is to determine system synchronization time service and keeps the essential elements of time service precision.The input letter of frequency source and time generation unit 9
Number for standard signal processing unit 8 provide input pulse per second (PPS) time signal, output signal be by input the pulse per second (PPS) time letter
Number taming internal frequency source（Rubidium clock or high stability crystal oscillator）Caused output pulse per second (PPS) time signal.Frequency source and time produce single
Output pulse per second (PPS) time signal is transmitted to display and control unit 10 and time signal output unit 11 by member 9.
Display and control unit 10, display can use LM3S6911 with the model of control unit 10, with standard signal processing
Unit 8 and frequency source and time generation unit 9 connect, and can be believed the real-time display input pulse per second (PPS) time by liquid crystal display interface
Number and output pulse per second (PPS) time signal.
Time signal output unit 11, the model of time signal output unit 11 can use LM3S8962, with frequency source with
And time generation unit 9 connects.Time signal output unit 11 will export second arteries and veins caused by frequency source and time generation unit 9
Time signal is rushed to be exported.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (3)
1. a kind of clock synchronization system, including standard signal processing unit（8）, it is characterised in that also include with standard believing respectively
Number processing unit（8）The outside input module of connection（3）, GPS（6）, BD receivers（7）, display and control unit
（10）, frequency source and time generation unit（9）, GPS（6）With gps antenna（4）Connection, BD receivers（7）With BD days
Line（5）Connection, frequency source and time generation unit（9）Respectively with display and control unit（10）With time signal output unit
（11）Connection.
2. a kind of clock synchronization system according to claim 1, it is characterised in that it is standard signal processing unit also to include
（8）, outside input module（3）, GPS（6）, BD receivers（7）, display and control unit（10）, frequency source is with timely
Between generation unit（9）, time signal output unit（11）The power module of power supply is provided.
3. a kind of clock synchronization system according to claim 2, it is characterised in that described power module includes main power source
（1）And stand-by power supply（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388088.8U CN206629068U (en) | 2017-04-13 | 2017-04-13 | A kind of clock synchronization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388088.8U CN206629068U (en) | 2017-04-13 | 2017-04-13 | A kind of clock synchronization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206629068U true CN206629068U (en) | 2017-11-10 |
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ID=60205916
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720388088.8U Expired - Fee Related CN206629068U (en) | 2017-04-13 | 2017-04-13 | A kind of clock synchronization system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206629068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586830A (en) * | 2018-11-22 | 2019-04-05 | 中电科技扬州宝军电子有限公司 | A kind of high-speed rail sync identification method and device based on Beidou Navigation System and PTP |
-
2017
- 2017-04-13 CN CN201720388088.8U patent/CN206629068U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586830A (en) * | 2018-11-22 | 2019-04-05 | 中电科技扬州宝军电子有限公司 | A kind of high-speed rail sync identification method and device based on Beidou Navigation System and PTP |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |