CN207650573U - A kind of precise synchronization system based on multi-source time service - Google Patents
A kind of precise synchronization system based on multi-source time service Download PDFInfo
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Abstract
本实用新型公开了一种基于多源授时的高精度时间同步系统，包括卫星时间信号源模块，与卫星时间信号调理模块连接，用于接收卫星时间信息，并发送至信号处理模块；卫星时间信号调理模块，用于对接收到的卫星时间信息进行调理，解析出卫星时间信息和对应的秒脉冲，并将卫星时间信息和对应的秒脉冲发送至主控制模块；主控制模块，用于将接收到的卫星时间信息和对应的秒脉冲发送至原子钟同步调整模块；原子钟同步调整模块，与铷原子钟连接，用于根据接收到的卫星时间信息和对应的秒脉冲对铷原子钟进行调整。本实用新型能够利用GPS、BD二代时钟信息对铷原子钟进行高精度实时调整，通过光纤接口、PTP网络接口、串口等输出时钟信号。
The utility model discloses a high-precision time synchronization system based on multi-source timing, which comprises a satellite time signal source module connected with a satellite time signal conditioning module for receiving satellite time information and sending it to a signal processing module; the satellite time signal The conditioning module is used to condition the received satellite time information, resolve the satellite time information and the corresponding second pulse, and send the satellite time information and the corresponding second pulse to the main control module; the main control module is used to receive The received satellite time information and the corresponding second pulse are sent to the atomic clock synchronization adjustment module; the atomic clock synchronization adjustment module is connected to the rubidium atomic clock, and is used to adjust the rubidium atomic clock according to the received satellite time information and the corresponding second pulse. The utility model can use GPS and BD second-generation clock information to adjust the rubidium atomic clock with high precision in real time, and output clock signals through optical fiber interfaces, PTP network interfaces, serial ports, and the like.
Description
Technical field
The utility model is related to the Time synchronization technique field of electric system, more particularly to a kind of height based on multi-source time service
Precision time synchronization system.
Background technology
With the rapid development of science and technology, in fields such as national defence, communication, space flight, electric power, environmental monitorings, it is desirable that test
With the information content of processing is increasing, speed is higher and higher, and the spatial position dispersion of test object, test assignment is complicated,
Test system is huge, only the various test equipment units of composition system is distributed in each test section of geographical location dispersion
Point builds a distributed test system, just adapts to the needs of this kind of information collection.Time is ten that test system needs
Divide important parameter.For spanning the distributed testing of time and space boundary, numerous instrument and equipments are needed, or even including
Space-based measuring system participates in completing jointly.In order to make the complete test system coordinates being made of various units consistently
Work, it is necessary to realize system-wide time unification.Time synchronism apparatus be one to distributed testing task provide standard when
Between and frequency signal, to realize the unification of entire test system time, by time source, Time Transmission and holding, clock regeneration with
Using etc. relevant all software and hardwares and its protocol algorithm composition device.
Current main clock synchronizing method has：Broadcast type clock is synchronous, GPS clock is synchronous, quartz crystal synchronizes.Extensively
It is a kind of Network Synchronization mode based on NTP or SNTP that the formula clock of broadcasting, which synchronizes, and the Foreign ＆ Domestic Substations of early stage are mainly using such
The method of synchronization, but its synchronization accuracy can only achieve Millisecond.GPS clock, which synchronizes, to be needed to configure a GPS receiver in measuring node
Device, to reach the synchronization of all measuring nodes.But in key areas, largely using GPS time services, (time service refers to utilizing nothing
The work of line electric wave broadcast time reference signal) module, conference is crossed to its dependence, unfavorable shadow is caused to the national security in China
It rings；Due to the SA policies that the U.S. uses, the commercial GPS system time service precision provided currently on the market is caused to only reach Microsecond grade.
It is more demanding to the temperature stability of working environment when being synchronized using quartz crystal mode and higher using ageing rate for a long time,
It need to calibrate for error at regular intervals.
In conclusion how in bis- generation of GPS, BD and rubidium atomic clock, to be combined to the precise synchronization to form multi-source time service
System is still technical problem to be solved.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, when the utility model provides a kind of high-precision based on multi-source time service
Between synchronization system, can using bis- generation of GPS, BD clock information to rubidium atomic clock carry out high-precision real-time synchronization, connect by optical fiber
Mouth, PTP network interfaces, serial ports etc. export clock signal.
Technical solution used by the utility model is：
A kind of precise synchronization system based on multi-source time service, characterized in that including：
Satellite time signals source module is connect with satellite time signals conditioning module, for receiving satellite time information, and
It is sent to signal processing module；
Satellite time signals conditioning module, for improving the satellite time information received, when parsing satellite
Between information and corresponding pulse per second (PPS), and satellite time information and corresponding pulse per second (PPS) are sent to main control module；
Main control module, satellite time information and corresponding pulse per second (PPS) for will receive are sent to the same step of atomic clock
Mould preparation block；
Atomic clock synchronous adjustment module, connect with rubidium atomic clock, for according to the satellite time information and correspondence received
Pulse per second (PPS) rubidium atomic clock is adjusted.
Further, the satellite time signals source module includes GPS time signal source module and BD time signal source moulds
Block；The GPS time signal source module includes GPS antenna and GPS satellite signal receiver, the GPS antenna real-time reception GPS
Satellite time information, and it is sent to GPS satellite signal receiver, the GPS satellite time that GPS satellite signal receiver will receive
Information is sent to satellite time signals conditioning module；The BD time signals source module includes BDII antennas and BDII satellite-signals
Receiver, the BDII antennas real-time reception BD bis- generations satellite time information, and it is sent to BDII satellite signal receivers, BDII
The BD bis- generations satellite time information received is sent to satellite time signals conditioning module by satellite signal receiver.
Further, the satellite time signals conditioning module includes believing GPS time signal conditioning module and BD II times
Number conditioning module, the GPS time signal conditioning module is connect with GPS satellite signal receiver, for being defended to the GPS received
Star temporal information carries out conditioning and parses GPS time information and corresponding pulse per second (PPS), and is sent to main control module；When BD II
Between Signal-regulated kinase connect with BDII satellite signal receivers, adjusted for docking the BD bis- generations satellite time information searched out
Understand and BD II temporal informations and corresponding pulse per second (PPS) is precipitated, and is sent to main control module.
Further, the GPS time signal conditioning module includes GPS satellite temporal information receiving module, second arteries and veins
Rush receiving module, GPS satellite temporal information parsing module, GPS satellite temporal information output module and pulse per second (PPS) output module, institute
It states GPS satellite temporal information receiving module to connect with GPS satellite signal receiver, receives the output of GPS satellite signal receiver
GPS satellite temporal information, the GPS satellite temporal information parsing module are parsed using NMEA 0183ASCII code interface protocols
GPS satellite temporal information is sent to main control module by GPS satellite temporal information output module；The pulse per second (PPS) receives mould
Block is connect with GPS satellite signal receiver, is received the pulse per second (PPS) of GPS satellite signal receiver output, is gone through double D trigger circuit
After pulse per second (PPS) noise, it is sent to pulse per second (PPS) output module；The GPS satellite temporal information output module and pulse per second (PPS) export mould
Block is connect with main control module, and GPS satellite temporal information and pulse per second (PPS) are sent to main control module.
Further, the BD II time signal conditioning modules include that sequentially connected BD II satellite time information receives
Module, pulse per second (PPS) receiving module, BD II satellite times information analysis module, BD II satellite times message output modules and second arteries and veins
Output module is rushed, the BD II satellite times information receiving module is connect with BD II satellite signal receivers, is received BD II and is defended
The BD II satellite time information of star signal receiver output, the BD II satellite time information analysis modules utilize NMEA
0183ASCII code interface protocols parse BD II satellite time information, are sent by BD II satellite time message output modules
To main control module；The pulse per second (PPS) receiving module is connect with BD II satellite signal receivers, is received BD II satellite-signals and is connect
The pulse per second (PPS) of receipts machine output is sent to pulse per second (PPS) output module, the BD after double D trigger circuit removes pulse per second (PPS) noise
II satellite times message output module and pulse per second (PPS) output module are connect with main control module, by BD II satellite times information and
Pulse per second (PPS) is sent to main control module.
Further, the atomic clock synchronous adjustment module includes FPGA and rubidium atomic clock drive circuit module, described
FPGA adjusts rubidium atomic clock by rubidium atomic clock drive circuit module.
Further, the main control module is also associated with some time signal output module, passes through some time signal
Output module exports split-second precision information, needs the electric system device of clock synchronization to provide time reference to scene；When described several
Between signal output module include that PTP networks output module, serial ports output module, TTL pulse per second (PPS)s output module, IRIG-B optical fiber are defeated
Go out module, IRIG-B optical fiber outputs module, OC output modules and OC output modules.
Further, the main control module is also associated with power supply module, liquid crystal display and key-press module and alarm
Output module；Wherein, the power supply module includes power module and redundant power module.
Further, the main control module includes power conversion module, satellite clock receiving module, PLL locking phase ring moulds
Block, clock priority processing module and clock output protocol conversion module, the power conversion module are converted to supply voltage
Supply voltage needed for main control module, the satellite clock receiving module receive the satellite that satellite time signals conditioning module is sent
The rubidium atomic clock temporal information that temporal information and atomic clock synchronous adjustment module are sent, and PLL phase-locked loop modules are sent to, institute
It states PLL phase-locked loop modules and processing is synchronized to satellite time information and rubidium atomic clock temporal information, the time believes by treated
Breath is sent to clock priority processing module, and clock priority processing module selects satellite time information priorities, passes through clock
Satellite clock signal is transmitted to atomic clock synchronous adjustment module by output protocol conversion module.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model uses 2 road satellite time signals source modules and its satellite time signals adjusting apparatus, 1 road rubidium
Atomic time signal source device and its synchronizing controls are constructed based on the punctual height of bis- generations of BD, GPS and rubidium atomic clock multi-source
Precision time synchronization system realizes the high-precision time service based on BD bis- generations satellite times, improves electric system device
Time service precision solves electric system for a long time using GPS as the security risk of time service clock, meets each device clock synchronization of electric system
Between the time service precision of synchronization system and the requirement of safety；
(2) the utility model exports high-precision satellite time information by some time signal output module, is needed to scene
The electric system device of clock synchronization provides time reference；If BDII satellite-signals or GPS satellite signal are lost, main control module
The split-second precision information that atomic time signal source module will be exported by some time signal output module gives scene need pair
When electric system device provide time reference.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the precise synchronization system construction drawing based on multi-source time service disclosed in the utility model embodiment；
Wherein：1, rubidium atomic clock, 2, rubidium atomic clock driving circuit, 3, FPGA, 4, GPS antenna, 5, GPS satellite signal receives
Machine, 6, GPS time signal conditioning module, 7, BD II antennas, 8, BD II satellite signal receivers, 9, BD II time signal tune
Manage module, 10, power module, 11, redundant power module, 12, main control module, 13, liquid crystal display machine key-press module, 14, accuse
Alert output module, 15, PTP network output modules, 16, serial ports output module, 17, TTL pulse per second (PPS) output modules, 18, IRIG-B
Optical fiber output module (820nm), 19, IRIG-B optical fiber outputs module (1310nm), 20, OC output modules (60VDC, 21, OC
Door output module (250VDC).
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, exists in the prior art and largely use GPS time service modules, it is excessive to its dependence
The national security in China can be adversely affected, when being synchronized using quartz crystal mode, to the temperature stability of working environment
It is more demanding and higher using ageing rate for a long time, the deficiency that need to be calibrated for error at regular intervals, in order to solve as above
The technical issues of, present applicant proposes a kind of precise synchronization system and method based on GPS, BD and rubidium atomic clock.
In a kind of typical embodiment of the application, as shown in Figure 1, providing a kind of high-precision based on multi-source time service
Clock synchronization system, the system include satellite time signals source module, satellite time signals conditioning module, main control module, original
Secondary clock synchronous adjustment module and rubidium atomic clock；
Wherein, the satellite time signals source module, connect with satellite time signals conditioning module, when for receiving satellite
Between information, and be sent to satellite time signals conditioning module；
The satellite time signals conditioning module, connect with main control module, for the satellite time information to receiving
It is improved, parses satellite time information and corresponding pulse per second (PPS), and satellite time information and corresponding pulse per second (PPS) are sent
To main control module；
The main control module, it is same that satellite time information and corresponding pulse per second (PPS) for will receive are sent to atomic clock
Successive step module；
The atomic clock synchronous adjustment module, connect with rubidium atomic clock, for according to the satellite time information that receives and
Corresponding pulse per second (PPS) is adjusted rubidium atomic clock.
The precise synchronization system based on GPS, BD and rubidium atomic clock that the utility model embodiment proposes, by defending
Star time signal source module real-time satellite temporal information, and send satellite time signals conditioning module to, satellite time signals tune
Reason module will improve the satellite time information analyzed respectively and corresponding pulse per second (PPS) is sent to main control module, main control module
It is to be input in atomic clock synchronous adjustment module by the satellite time information and corresponding pulse per second (PPS), passes through atomic clock synchronous adjustment
Module is adjusted rubidium atomic clock.
In order to make those skilled in the art be better understood by the utility model, a more detailed implementation is set forth below
Example, present embodiments provides a kind of precise synchronization system based on GPS, BD and rubidium atomic clock, which includes satellite
Time signal source module, satellite time signals conditioning module, main control module, atomic clock synchronous adjustment module and rubidium atomic clock.
In the present embodiment, the satellite time signals source module, connect with satellite time signals conditioning module, for connecing
Satellite time information is received, and is sent to satellite time signals conditioning module.
The satellite time signals source module includes GPS time signal source module and BD time signal source modules；When the GPS
Between signal source module include GPS antenna 4 and GPS satellite signal receiver 5,4 real-time reception GPS satellite time of the GPS antenna
Information, and it is sent to GPS satellite signal receiver 5, GPS satellite signal receiver 5 sends out the GPS satellite temporal information received
It send to satellite time signals conditioning module；The BD time signals source module includes that BD II antennas 7 and BD II satellite-signals connect
Receipts machine 8, the 7 real-time reception BD of BDII antennas, bis- generations satellite time information, and it is sent to BD II satellite signal receivers 8, BD
The BD bis- generations satellite time information received is sent to satellite time signals conditioning module by II satellite signal receivers 8.
In the present embodiment, in order to preferably receive GPS satellite temporal information and BD bis- generations satellite time information, by BD days
Line and GPS antenna are mounted on unobstructed in outdoor eminence and 360 ° of visuals field.
In the present embodiment, the satellite time signals conditioning module is connect with main control module 12, for receiving
Satellite time information improved, parse satellite time information and corresponding pulse per second (PPS), and by satellite time information and right
The pulse per second (PPS) answered is sent to main control module.
The satellite time signals conditioning module includes GPS time signal conditioning module 6 and BD II time signal conditioning modules
9, the GPS time signal conditioning module 6 is connect with GPS satellite signal receiver 5, for the GPS satellite time to receiving
Information carries out conditioning and parses GPS time information and corresponding pulse per second (PPS), and is sent to main control module 12；The BD II times believe
Number conditioning module 9 is connect with 8 machine of BD II satellite signal receivings, is adjusted for docking the BD bis- generations satellite time information searched out
Understand and BD II temporal informations and corresponding pulse per second (PPS) is precipitated, and is sent to main control module 12.
In the present embodiment, the GPS time signal conditioning module 6 include GPS satellite temporal information receiving module,
Pulse per second (PPS) receiving module, GPS satellite temporal information parsing module, GPS satellite temporal information output module and pulse per second (PPS) export mould
Block, the GPS satellite temporal information receiving module are connect with GPS satellite signal receiver, and it is defeated to receive GPS satellite signal receiver
The GPS satellite temporal information gone out, the GPS satellite temporal information parsing module utilize NMEA 0183ASCII code interface protocol solutions
GPS satellite temporal information is precipitated, main control module is sent to by GPS satellite temporal information output module；The pulse per second (PPS) connects
It receives module to connect with GPS satellite signal receiver, receives the pulse per second (PPS) of GPS satellite signal receiver output, through double D trigger electricity
After road removes pulse per second (PPS) noise, it is sent to pulse per second (PPS) output module；The GPS satellite temporal information output module and pulse per second (PPS) are defeated
Go out module to connect with main control module, GPS satellite temporal information and pulse per second (PPS) are sent to main control module.
In the present embodiment, the BD II time signals conditioning module 9 is believed including sequentially connected BD II satellite times
Cease receiving module, pulse per second (PPS) receiving module, BD II satellite times information analysis module, BD II satellite time message output modules
With pulse per second (PPS) output module, the BD II satellite times information receiving module is connect with BD II satellite signal receivers, is received
The BD II satellite time information of BD II satellite signal receivers output, the BD II satellite time information analysis modules utilize
NMEA 0183ASCII code interface protocols parse BD II satellite time information, pass through BD II satellite time message output modules
It is sent to main control module；The pulse per second (PPS) receiving module is connect with BD II satellite signal receivers, receives BD II satellites letter
The pulse per second (PPS) of number receiver output is sent to pulse per second (PPS) output module, institute after double D trigger circuit removes pulse per second (PPS) noise
It states BD II satellite times message output modules and pulse per second (PPS) output module is connect with main control module, BD II satellite times are believed
Breath and pulse per second (PPS) are sent to main control module.
In the present embodiment, the main control module 12, the satellite time information for will receive and corresponding second arteries and veins
Punching is sent to atomic clock synchronous adjustment module.
The main control module 12 includes power conversion module, satellite clock receiving module, PLL phase-locked loop modules, clock
Supply voltage is converted to main control module by priority processing module and clock output protocol conversion module, the power conversion module
Required supply voltage, the satellite clock receiving module receive the satellite time information that satellite time signals conditioning module is sent
And the rubidium atomic clock temporal information that atomic clock synchronous adjustment module is sent, and PLL phase-locked loop modules are sent to, the PLL locks
Phase ring moulds block synchronizes processing to satellite time information and rubidium atomic clock temporal information, and by treated, temporal information is sent to
Clock priority processing module, clock priority processing module select satellite time information priorities, pass through clock output protocol
Satellite clock signal is transmitted to atomic clock synchronous adjustment module by conversion module.
In the present embodiment, the atomic clock synchronous adjustment module is connect with rubidium atomic clock 1, for being defended according to what is received
Star temporal information and corresponding pulse per second (PPS) synchronize adjustment to rubidium atomic clock.
The atomic clock synchronous adjustment module includes FPGA3 and rubidium atomic clock drive circuit module 2, the rubidium atomic clock 1
It is connect with atomic clock drive circuit module 2, the atomic clock drive circuit module 2 is connect with FPGA3；The FPGA3 passes through original
Secondary clock drive circuit module 2 drives and synchronous adjustment rubidium atomic clock 1.The FPGA3 carries out rubidium atomic clock using existing method
Synchronous adjustment, such as using pid algorithm, Kalman filtering algorithm.
The utility model proposes one embodiment in, the main control module be also associated with some time signal output mould
Block, in the case of BDII satellite-signals or all right GPS satellite signal, main control unit is defeated by some time signal
Go out device output split-second precision information, needs the electric system device of clock synchronization to provide time reference to scene；If BDII satellites are believed
Number or GPS satellite signal lose when, main control unit will pass through some time signal output apparatus export atomic time letter
The split-second precision information of number source device needs the electric system device of clock synchronization to provide time reference to scene.
Above-mentioned some time signal output module include PTP networks output module 15, serial ports output module 16, TTL seconds
Pulse output module 17, IRIG-B optical fiber outputs module (820nm) 18, IRIG-B optical fiber outputs module (1310nm) 19, OC
Output module (60VDC) 20 and OC output modules (250VDC) 21.
The utility model proposes one embodiment in, the main control module is also associated with power supply module, liquid crystal
Display and key-press module 13 and alarm output module 14；Wherein, by power supply module required electricity is provided to main control module
Can, which includes power module 10 and redundant power module 11.
The precise synchronization system based on GPS, BD and rubidium atomic clock that the utility model embodiment proposes, passes through BD
Antenna and GPS antenna real-time reception bis- generations of BD satellite and GPS satellite temporal information, and send corresponding satellite signal receiving to
Temporal information is transferred to corresponding satellite time signals tune by machine, BDII satellite signal receivers and GPS satellite signal receiver
Device is managed, GPS the BD II temporal informations and corresponding second that corresponding time signal conditioning module respectively analyzes conditioning
Pulse is sent to main control module, GPS the BD II temporal informations and corresponding pulse per second (PPS) are to be input to by main control module
In atomic clock synchronous adjustment module, adjustment is synchronized to rubidium atomic clock using advanced " time tames algorithm ".It is defended in BDII
In the case that star signal or GPS satellite signal are all right, main control module is exported by some time signal output module
Split-second precision information needs the electric system device of clock synchronization to provide time reference to scene；If BDII satellite-signals or GPS are defended
When star dropout, main control module believes the split-second precision that rubidium atomic clock is exported by some time signal output module
Breath needs the electric system device of clock synchronization to provide time reference to scene.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of precise synchronization system based on multi-source time service, characterized in that including：
Satellite time signals source module is connect with satellite time signals conditioning module, for receiving satellite time information, and is sent
To signal processing module；
Satellite time signals conditioning module parses satellite time letter for improving the satellite time information received
Breath and corresponding pulse per second (PPS), and satellite time information and corresponding pulse per second (PPS) are sent to main control module；
Main control module, satellite time information and corresponding pulse per second (PPS) for will receive are sent to atomic clock synchronous adjustment mould
Block；
Atomic clock synchronous adjustment module, connect with rubidium atomic clock, for according to the satellite time information and corresponding second received
Pulse is adjusted rubidium atomic clock.
2. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that when the satellite
Between signal source module include GPS time signal source module and BD time signal source modules；The GPS time signal source module includes
GPS antenna and GPS satellite signal receiver, the GPS antenna real-time reception GPS satellite temporal information, and it is sent to GPS satellite
The GPS satellite temporal information received is sent to satellite time signals and improves mould by signal receiver, GPS satellite signal receiver
Block；The BD time signals source module includes BDII antennas and BDII satellite signal receivers, the BDII antennas real-time reception
BD bis- generations satellite time information, and it is sent to BDII satellite signal receivers, the BD that BDII satellite signal receivers will receive
Two generation satellite time information are sent to satellite time signals conditioning module.
3. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that when the satellite
Between Signal-regulated kinase include GPS time signal conditioning module and BD II time signal conditioning modules, the GPS time signal
Conditioning module is connect with GPS satellite signal receiver, is parsed for carrying out conditioning to the GPS satellite temporal information received
GPS time information and corresponding pulse per second (PPS), and it is sent to main control module；BD II time signals conditioning modules and BDII satellites
Signal receiver connect, for dock the BD bis- generations satellite time information searched out carry out conditioning parse BD II temporal informations with
Corresponding pulse per second (PPS), and it is sent to main control module.
4. the precise synchronization system according to claim 3 based on multi-source time service, characterized in that when the GPS
Between Signal-regulated kinase include GPS satellite temporal information receiving module, pulse per second (PPS) receiving module, GPS satellite temporal information
Parsing module, GPS satellite temporal information output module and pulse per second (PPS) output module, the GPS satellite temporal information receiving module
It is connect with GPS satellite signal receiver, receives the GPS satellite temporal information of GPS satellite signal receiver output, the GPS is defended
Star temporal information parsing module parses GPS satellite temporal information using 0183 ASCII character interface protocols of NMEA, passes through GPS
Satellite time message output module is sent to main control module；The pulse per second (PPS) receiving module connects with GPS satellite signal receiver
It connects, receives the pulse per second (PPS) of GPS satellite signal receiver output, after double D trigger circuit removes pulse per second (PPS) noise, be sent to the second
Pulse output module；The GPS satellite temporal information output module and pulse per second (PPS) output module are connect with main control module, will
GPS satellite temporal information and pulse per second (PPS) are sent to main control module.
5. the precise synchronization system according to claim 3 based on multi-source time service, characterized in that the BD II
Time signal conditioning module includes sequentially connected BD II satellite times information receiving module, pulse per second (PPS) receiving module, BD II
Satellite time information analysis module, BD II satellite times message output modules and pulse per second (PPS) output module, the BD II satellites
Temporal information receiving module is connect with BD II satellite signal receivers, receives the BD II of BD II satellite signal receivers output
Satellite time information, the BD II satellite times information analysis module are parsed using 0183 ASCII character interface protocols of NMEA
BD II satellite time information is sent to main control module by BD II satellite time message output modules；The pulse per second (PPS) connects
It receives module to connect with BD II satellite signal receivers, receives the pulse per second (PPS) of BD II satellite signal receivers output, triggered through double D
After device circuit removes pulse per second (PPS) noise, it is sent to pulse per second (PPS) output module, the BD II satellite times message output module and second
Pulse output module is connect with main control module, and BD II satellite times information and pulse per second (PPS) are sent to main control module.
6. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that the atomic clock
Synchronous adjustment module includes FPGA and rubidium atomic clock drive circuit module, and the FPGA passes through rubidium atomic clock drive circuit module tune
Whole rubidium atomic clock.
7. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that the main control
Module is also associated with some time signal output module, and split-second precision information is exported by some time signal output module,
The electric system device of clock synchronization is needed to provide time reference to scene；The some time signal output module includes that PTP networks are defeated
It is defeated to go out module, serial ports output module, TTL pulse per second (PPS)s output module, IRIG-B optical fiber outputs module, OC output modules and OC
Go out module.
8. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that the main control
Module is also associated with power supply module, liquid crystal display and key-press module and alarm output module；Wherein, the power supply power supply mould
Block includes power module and redundant power module.
9. the precise synchronization system according to claim 1 based on multi-source time service, characterized in that the main control
Module includes power conversion module, satellite clock module, PPL phase-locked loop modules, clock priority processing module and clock output
Protocol conversion module.
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Cited By (7)
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| CN107765546A (en) * | 2017-11-29 | 2018-03-06 | 山东航天电子技术研究所 | A kind of precise synchronization system and method based on GPS, BD and rubidium atomic clock |
| CN109283829A (en) * | 2018-12-11 | 2019-01-29 | 烟台钟表研究所有限公司 | A kind of control method of regional clock system |
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| CN113064339A (en) * | 2021-03-05 | 2021-07-02 | 温州激光与光电子协同创新中心 | High-stability atomic clock based on Kalman filtering optimal state estimation and implementation method |
| CN113820945A (en) * | 2021-09-10 | 2021-12-21 | 深圳供电局有限公司 | High-precision clock synchronization system based on 5G |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107765546A (en) * | 2017-11-29 | 2018-03-06 | 山东航天电子技术研究所 | A kind of precise synchronization system and method based on GPS, BD and rubidium atomic clock |
| CN109283829A (en) * | 2018-12-11 | 2019-01-29 | 烟台钟表研究所有限公司 | A kind of control method of regional clock system |
| CN109765578A (en) * | 2019-02-19 | 2019-05-17 | 武汉元光科技有限公司 | Bus GPS equipment clock calibration method and device |
| CN111983916A (en) * | 2019-05-21 | 2020-11-24 | 深圳市合讯电子有限公司 | Multimode satellite time service precision bad value eliminating system and method |
| CN110554364A (en) * | 2019-08-30 | 2019-12-10 | 中国空间技术研究院 | system and method for testing radar signal pulse arrival time measurement accuracy |
| CN113064339A (en) * | 2021-03-05 | 2021-07-02 | 温州激光与光电子协同创新中心 | High-stability atomic clock based on Kalman filtering optimal state estimation and implementation method |
| CN113064339B (en) * | 2021-03-05 | 2022-03-18 | 温州激光与光电子协同创新中心 | High-stability atomic clock based on Kalman filtering optimal state estimation and implementation method |
| CN113820945A (en) * | 2021-09-10 | 2021-12-21 | 深圳供电局有限公司 | High-precision clock synchronization system based on 5G |
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