CN204650151U - Multipath high-speed pulse entry time synchronizer - Google Patents
Multipath high-speed pulse entry time synchronizer Download PDFInfo
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- CN204650151U CN204650151U CN201520098694.7U CN201520098694U CN204650151U CN 204650151 U CN204650151 U CN 204650151U CN 201520098694 U CN201520098694 U CN 201520098694U CN 204650151 U CN204650151 U CN 204650151U
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims abstract description 12
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- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 10
- 230000002123 temporal effect Effects 0.000 description 4
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of multipath high-speed pulse entry time synchronizer, this navigational system comprises Timing Receiver module, level switch module, pulse distribution unit, frequency assigning units, signal distribution unit, MCU, serial data combiner, serial server, the pulse per second (PPS) PPS signal provided with Timing Receiver module, 10MHz standard block signal and moment gps time corresponding to PPS signal or Big Dipper time are benchmark, pass through pulse, frequency, respective signal is divided into four tunnels by 1 tunnel by signal distribution unit, through MCU detection control, data receiver and data processing, obtain each Puled input moment accurate time information, RS232 serial data is converted to Ethernet data by serial server, easy to use.The utility model adopts Service of Timing by Satellite and impulsive synchronization measuring technique to combine, utilize the features such as GNSS pulse per second (PPS) precision is high, high-frequency stable output, solve multisystem, many equipment, multisensor time synchronization problem, the highest support 1000Hz Puled input, time precision is better than 0.01ms, support GPS, Big Dipper time synchronized, military project, the various occasion relating to time synchronized of civil area can be widely used in.Equipment is 1U cabinet, convenient to install and integrated.
Description
Technical field
The utility model belongs to time synchronized time service field, is specifically related to a kind of multipath high-speed pulse entry time synchronizer.
Background technology
Nowadays, many experimental studies need to combine multiple measuring equipment, jointly build test environment, and each testing apparatus is in concert with worked.When working together when two or more equipment and had to exact requirements the time, just need to carry out between which synchronously.It is synchronously the time reference that regulation one is common between two or more equipment.If this two or more equipment does not carry out synchronously, how consistent the time no matter they start is, also can the generation time drift due to the response time of distinct device to trigger pip is inconsistent, equipment long-play walks physical construction between time error and equipment difference, be difficult to ensure that the time data of each testing apparatus is synchronous.
Between different measuring equipment, the essential reason of generation time error is exactly timestamp between different measuring equipment and inconsistent.Therefore, only need to provide same set of timestamp for different measuring equipments, just can synchronous each measuring equipment.
At present, major part test macro time system employing standard Beijing time or UTC time, in order to ensure testing apparatus data and other test macro time unification, the utility model utilizes the long-time stability of satellite-signal good, precision high, there is provided a set of based on gps time or the multipath high-speed pulse entry time synchronizer of Big Dipper time, export every Beijing time in road Puled input moment, precision time service can be carried out any time in any place in the world, solve the time synchronization problem that testing apparatus is dispersed in zones of different, also the time synchronization problem of testing apparatus and other test macro is solved.
Utility model content
The purpose of this utility model is, utilizes existing satellite time transfer and impulsive synchronization measuring technique, provides a kind of multipath high-speed pulse entry time synchronizer.
The technical solution of the utility model is:
A kind of multipath high-speed pulse entry time synchronizer, comprise: Timing Receiver module, level switch module, pulse distribution unit, frequency assigning units, signal distribution unit, MCU, serial data combiner, serial server, the pulse per second (PPS) PPS signal provided with Timing Receiver module, 10MHz standard block signal and moment gps time corresponding to PPS signal or Big Dipper time are benchmark, pass through pulse, frequency, respective signal is divided into four tunnels by 1 tunnel by signal distribution unit, through MCU detection control, data receiver and data processing, obtain each Puled input moment accurate time information.
Described Timing Receiver module can receive GPS/ Big Dipper satellite signal, the temporal information that outputting standard pulse per second (PPS) PPS satellite time transfer signal, standard 10MHz frequency signal and pulse per second (PPS) are corresponding.
Described level switch module mainly contains two functions, receives on the one hand the varying level pulse signal of outside input, converts thereof into 3.3V Transistor-Transistor Logic level signal, and exports to MCU and carry out signals collecting; The Transistor-Transistor Logic level receiving Timing Receiver module on the other hand converts RS232 level to, exports to the temporal information that MCU provides to read Timing Receiver module.
The pulse per second (PPS) PPS signal that Timing Receiver module exports by described pulse distribution unit carries out pulse distribution, obtains four road PPS signals, for providing whole time second time zero.
The 10MHz standard signal that described frequency assigning units is used for Timing Receiver module exports carries out parallel compensate, obtains four road 10MHz signals, for recording umber of pulse corresponding to every road Puled input moment.
Described signal distribution unit is used for 1 road RS232 signal to carry out signal distribution, obtains four road RS232 signals, to provide the gps time or Big Dipper time that pulse per second (PPS) PPS signal is corresponding.
Described MCU is examining of whole equipment, adopt Cortex M3 processor, be responsible for paired pulses input signal, pulse per second (PPS) PPS signal, 10MHz frequency signal and Timing Receiver module serial ports output data and carry out detection control, data receiver, data processing, data packing, and export Puled input moment gps time or Big Dipper time.
16 high speed and fixed-point type TMS320C5509 processors that described serial data combiner adopts TI company to produce, by multiple single channel Puled input times in moment that MCU exports, carry out data receiver and packing process, from a RS232 serial ports output multi-channel Puled input moment temporal information.
RS232 serial data is converted to the 10/100M Ethernet data on TCP/IP, ARP, PPP, TELNET, udp protocol platform by described serial server, can be connected on Windows, Unix and Linux main frame, easy to use.
Compared with prior art, the beneficial effects of the utility model are:
1, multipath high-speed pulse entry time synchronizer of the present utility model adopts Service of Timing by Satellite and impulsive synchronization measuring technique to combine, utilize the features such as GNSS pulse per second (PPS) precision is high, high-frequency stable output, solve multisystem, many equipment, multisensor time synchronization problem, time precision is better than 0.01ms, can be widely used in the various occasion relating to time synchronized;
2, multipath high-speed pulse entry time synchronizer supports that multiple varying level pulse signal inputs, as Transistor-Transistor Logic level, CMOS level;
3, multipath high-speed pulse entry time synchronizer can increase according to user's request or reduce Puled input way;
4, multipath high-speed pulse entry time synchronizer supports GPS, Big Dipper time synchronized, all can extensively promote the use of at military project, civil area;
5, multipath high-speed pulse entry time synchronizer the highest support 1000Hz Puled input, can meet the application of most systems, as laser radar, camera;
6, multipath high-speed pulse entry time synchronizer is 1U cabinet, convenient to install and integrated.
Accompanying drawing explanation
Fig. 1 is multipath high-speed pulse entry time synchronizer theory diagram of the present utility model;
Fig. 2 is multipath high-speed pulse entry time synchronizer workflow diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
According to Fig. 1, the principle of work of multipath high-speed pulse entry time synchronizer of the present invention is as follows:
First, the moment gps time or Big Dipper time that pulse per second (PPS) PPS signal, 10MHz standard block signal and PPS signal are corresponding is provided by Timing Receiver module, these three kinds of signals are carried out pulse distribution unit and signal distribution unit respectively, obtains moment gps time corresponding to the separate PPS signal in 4 tunnels, 10MHz standard block signal and PPS signal or Big Dipper time; Secondly, detect and process this 4 road signal and every road pulse input signal respectively by 4 MCU, obtain every road Puled input moment correct time information through input, data receiver, data processing; Finally, 4 road serial datas are carried out data packing process by serial data combiner, exported for 4 road pulse input signal times from a serial ports, convert network to through serial server and export, so that remote access and checking.
According to Fig. 2, the workflow of multipath high-speed pulse entry time synchronizer of the present invention is as follows:
A) after system electrification, carry out System self-test, initialization is carried out to clock and hardware;
B) detect whether there is pulse per second (PPS) PPS signal, read PPS temporal information corresponding whole second from serial ports simultaneously;
C) system wait, when PPS signal being detected, little several seconds buffer memory and umber of pulse reset, and start to record 10MHz square-wave pulse number;
D) detect whether there is external pulse input signal;
E) when external pulse input signal being detected, recording this moment 10MHz square-wave pulse number, calculating with this and obtaining little several seconds part;
F) whole second and the addition of little several seconds are obtained external input signal correct time.
Multipath high-speed pulse entry time synchronizer provided by the utility model is described above by specific embodiment, those skilled in the art is to be understood that, in the scope not departing from the invention essence, certain distortion or amendment can be made to the utility model.
Claims (8)
1. a multipath high-speed pulse entry time synchronizer, comprise: Timing Receiver module, level switch module, pulse distribution unit, frequency assigning units, signal distribution unit, MCU, serial data combiner, serial server, the pulse per second (PPS) PPS signal provided with Timing Receiver module, 10MHz standard block signal and moment gps time corresponding to PPS signal or Big Dipper time are benchmark, pass through pulse, frequency, respective signal is divided into four tunnels by 1 tunnel by signal distribution unit, through MCU detection control, data receiver and data processing, obtain each Puled input moment accurate time information.
2. multipath high-speed pulse entry time synchronizer as claimed in claim 1, is characterized in that, described Timing Receiver module supports the Big Dipper, GPS time service.
3. multipath high-speed pulse entry time synchronizer as claimed in claim 1, is characterized in that, MCU adopts Cortex M3 processor.
4. multipath high-speed pulse entry time synchronizer as claimed in claim 1, is characterized in that, 16 high speed and fixed-point type TMS320C5509 processors that described serial data combiner adopts TI company to produce.
5. multipath high-speed pulse entry time synchronizer as claimed in claim 1, it is characterized in that, described serial server converts RS232 serial data to Ethernet data, supports TCP/IP, ARP, PPP, TELNET, udp protocol.
6. multipath high-speed pulse entry time synchronizer as claimed in claim 1, it is characterized in that, described level switch module supports that multiple varying level pulse signal inputs, as Transistor-Transistor Logic level, CMOS level.
7. multipath high-speed pulse entry time synchronizer as claimed in claim 1, it is characterized in that, device structure is 1U cabinet, conveniently to install and integrated.
8. multipath high-speed pulse entry time synchronizer as claimed in claim 1, it is characterized in that, equipment the highest support 1000Hz Puled input, can meet the application of most systems, as laser radar, camera.
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| CN201520098694.7U CN204650151U (en) | 2015-02-12 | 2015-02-12 | Multipath high-speed pulse entry time synchronizer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774637A (en) * | 2015-12-22 | 2017-05-31 | 中国电子科技集团公司第二十研究所 | A kind of device and method when carrying out computer school using 1PPS signals |
| CN108023658A (en) * | 2016-11-04 | 2018-05-11 | 中国科学院沈阳自动化研究所 | High precision clock sync identification method and apparatus |
| CN110133999A (en) * | 2019-04-23 | 2019-08-16 | 武汉星源云意科技有限公司 | A kind of method for synchronizing time and clock synchronization system for adopting platform based on nebula laser point cloud number |
| CN112383300A (en) * | 2020-10-26 | 2021-02-19 | 深圳市儒科电子有限公司 | High-precision frequency phase micro-jump meter |
| CN112543076A (en) * | 2019-09-20 | 2021-03-23 | 北京朗立科技有限公司 | Information synchronous processing method for distributed alarm sensor |
| CN113922910A (en) * | 2021-10-09 | 2022-01-11 | 广东汇天航空航天科技有限公司 | Sensor time synchronization processing method, device and system |
| CN114268582A (en) * | 2021-11-24 | 2022-04-01 | 上海机电工程研究所 | Springing forwarding system and device |
-
2015
- 2015-02-12 CN CN201520098694.7U patent/CN204650151U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774637A (en) * | 2015-12-22 | 2017-05-31 | 中国电子科技集团公司第二十研究所 | A kind of device and method when carrying out computer school using 1PPS signals |
| CN108023658A (en) * | 2016-11-04 | 2018-05-11 | 中国科学院沈阳自动化研究所 | High precision clock sync identification method and apparatus |
| CN108023658B (en) * | 2016-11-04 | 2023-08-29 | 中国科学院沈阳自动化研究所 | High-precision clock synchronization time service method and device |
| CN110133999A (en) * | 2019-04-23 | 2019-08-16 | 武汉星源云意科技有限公司 | A kind of method for synchronizing time and clock synchronization system for adopting platform based on nebula laser point cloud number |
| CN112543076A (en) * | 2019-09-20 | 2021-03-23 | 北京朗立科技有限公司 | Information synchronous processing method for distributed alarm sensor |
| CN112383300A (en) * | 2020-10-26 | 2021-02-19 | 深圳市儒科电子有限公司 | High-precision frequency phase micro-jump meter |
| CN113922910A (en) * | 2021-10-09 | 2022-01-11 | 广东汇天航空航天科技有限公司 | Sensor time synchronization processing method, device and system |
| CN113922910B (en) * | 2021-10-09 | 2023-09-19 | 广东汇天航空航天科技有限公司 | Sensor time synchronization processing method, device and system |
| CN114268582A (en) * | 2021-11-24 | 2022-04-01 | 上海机电工程研究所 | Springing forwarding system and device |
| CN114268582B (en) * | 2021-11-24 | 2024-04-05 | 上海机电工程研究所 | Bullet forwarding system and device |
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