CN205450586U - Big dipper GPS bimodulus time service system - Google Patents
Big dipper GPS bimodulus time service system Download PDFInfo
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- CN205450586U CN205450586U CN201521114320.6U CN201521114320U CN205450586U CN 205450586 U CN205450586 U CN 205450586U CN 201521114320 U CN201521114320 U CN 201521114320U CN 205450586 U CN205450586 U CN 205450586U
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- time service
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Abstract
The utility model discloses a big dipper GPS bimodulus time service system, including shell, MCU the control unit, big dipper GPS time service unit, ethernet data transmit -Receive unit, power source, switch, antennal interface, the first signal output interface, the 2nd signal output interface, the 3rd signal output interface, ethernet interface, digital display element, button and pilot lamp, wherein, the antennal interface is connected with big dipper GPS time service unit, the ethernet interface is connected with ethernet data transmit -Receive unit, power source is connected with switch, big dipper GPS time service unit, ethernet data transmit -Receive unit, switch, the first signal output interface, the 2nd signal output interface, the 3rd signal output interface, digital display element, button and pilot lamp are connected with MCU the control unit respectively. This system has overcome the applied drawback that single GPS time service system brought in the application, has expanded the application of time service system, the stability of the time service precision has strengthened the system is improved.
Description
Technical field
This utility model belongs to technical field of satellite time service, is specifically related to a kind of Big Dipper/GPS dual-mode time dissemination system.
Background technology
Along with the development of modern society, in many field of engineering technology, more and more higher to the index request of time.In multisystem, multitask engineering practice, when needing multiple distinct device is carried out pair, pair time precision directly influence measurement and the result of decision.Service of Timing is arisen at the historic moment, and the most general employing GPS time service has the highest using value as split-second precision a reference source, this mode at civil area, but GPS is by US military control, the U.S. considers for number one, the most all China may be closed service, and time service service is under one's control；On the other hand, the GPS time dissemination system of the U.S. is mainly used in servicing the military, services only open portion region, presence service blind area at civil area.In terms of Military Application, if some modernization military equipments too rely on GPS system, once GPS system cannot use, and will be absorbed in situation passive and vulnerable to attack.Relative to GPS time dissemination system, Beidou satellite navigation system is global positioning satellite and the communication system of China's independent research, higher than GPS time dissemination system on time service precision, simultaneously without being bound by the U.S., the most there is not blind area in the Asian-Pacific area, therefore, there is high researching value.
Summary of the invention
The purpose of this utility model is the drawback overcoming single GPS time dissemination system to bring, it is provided that a kind of Big Dipper/GPS dual-mode time dissemination system, this time dissemination system can carry out time service by GPS system, can pass through again Beidou satellite navigation system independence time service.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme: a kind of Big Dipper/GPS dual-mode time dissemination system, it is characterized in that, including shell, MCU control unit, the Big Dipper/GPS time service unit, Ethernet data Transmit-Receive Unit, power interface, on and off switch, antennal interface, the first signal output interface, secondary signal output interface, the 3rd signal output interface, Ethernet interface, digital-scroll technique unit, button and display lamp；Wherein, described antennal interface is connected with the Big Dipper/GPS time service unit；Described Ethernet interface is connected with Ethernet data Transmit-Receive Unit；Described power interface is connected with on and off switch；The described Big Dipper/GPS time service unit, Ethernet data Transmit-Receive Unit, on and off switch, the first signal output interface, secondary signal output interface, the 3rd signal output interface, digital-scroll technique unit, button are connected with MCU control unit respectively with display lamp.
Further, described digital-scroll technique unit, button and display lamp are arranged at outer casing frontispiece；Described power interface, on and off switch, antennal interface, the first signal output interface, secondary signal output interface, the 3rd signal output interface and Ethernet interface are arranged at shell rear surface；Described MCU control unit, the Big Dipper/GPS time service unit and Ethernet data Transmit-Receive Unit are arranged in the enclosure.
This utility model has the advantages that the Big Dipper of the present utility model/GPS dual-mode time dissemination system overcomes the drawback being difficult to overcome that single GPS time dissemination system brings in application, extends the application of time dissemination system；Its time service precision is improved, and system stability has obtained greatly strengthening.
Accompanying drawing explanation
Fig. 1 is front perspective view of the present utility model；
Fig. 2 is rear perspective schematic diagram of the present utility model；
Fig. 3 is electrical connection schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the utility model is described in further detail.
A kind of Big Dipper/GPS dual-mode time dissemination system as shown in Figure 1, Figure 2 and Figure 3, including shell 1, MCU control unit 2, the Big Dipper/GPS time service unit 3, Ethernet data Transmit-Receive Unit 4, power interface 5, on and off switch 6, antennal interface the 7, first signal output interface 8, secondary signal output interface the 9, the 3rd signal output interface 10, Ethernet interface 11, digital-scroll technique unit 12, button 13, display lamp 14.Shell 1 uses 4U standard metal casing, is provided with digital-scroll technique unit 12, button 13 and display lamp 14 in the front of shell 1；Power interface 5, on and off switch 6, antennal interface the 7, first signal output interface 8, secondary signal output interface the 9, the 3rd signal output interface 10, Ethernet interface 11 it is provided with at the back side of shell 1；MCU control unit 2, the Big Dipper/GPS time service unit 3 and Ethernet data Transmit-Receive Unit 4 are arranged in shell 1.
A kind of Big Dipper/GPS dual-mode time dissemination system as shown in Figure 3, its antennal interface 7 is connected with the Big Dipper/GPS time service unit 3；Ethernet interface 11 is connected with Ethernet data Transmit-Receive Unit 4；Power interface 5 is connected with on and off switch 6；The Big Dipper/GPS time service unit 3, Ethernet data Transmit-Receive Unit 4, on and off switch the 6, first signal output interface 8, secondary signal output interface the 9, the 3rd signal output interface 10, digital-scroll technique unit 12, button 13, display lamp 14 are connected with MCU control unit 2 respectively.
Power interface 5, it is that whole system is powered for external power supply.
On and off switch 6, it is for the on-off control of system, control system on/off.
Antennal interface 7, it is for the external Big Dipper/GPS dual-mode antenna, and reception satellite-signal, its outfan is connected with the input of the Big Dipper/GPS time service unit 3.
The Big Dipper/GPS time service unit 3, it is used for receiving satellite-signal, and resolves as system time information according to correspondingly received information；Its input is connected with described antennal interface 7, and it is also connected with MCU control unit 2.
Ethernet data Transmit-Receive Unit 4, it is used for controlling Ethernet data exchange and transmitting-receiving, and it is connected with Ethernet interface 11 and MCU control unit 2 respectively.
Ethernet interface 11, it is for external Ethernet, and it is connected with Ethernet data Transmit-Receive Unit 4.
Digital-scroll technique unit 12, it is for the digital-scroll technique of date and time, its display format is: " 8888-88-8888:88:88 ", its first eight bits is used for showing current date, latter six represent current times, with December in 2015 6 days, as a example by 13: 40: 50, then being shown as " 2015-12-0613:40:50 ", its input is connected with the outfan of MCU control unit 2.
Button 13, it controls for input and output, is distributed the front position with shell 1, as it is shown in figure 1, five square buttons are followed successively by button A, button B, button C, button D, button E from left to right.Button A selects for data frequency, is divided into 1,2,3,4,5 grades, within i.e. one second, obtains temporal information several times, button B is arranged for the first signal output interface break-make, and under original state, the first signal output interface is connected, pressing one-touch B, the first signal output interface is closed.Button C is arranged for secondary signal output interface break-make, and its function is similar with button B.Button D is used for time service model selection, this utility model time service pattern is divided into the Big Dipper/GPS mixing time service, Big Dipper time service, GPS time service Three models, under system initial state, time service pattern is the Big Dipper/GPS mixing time service, modified as needed to time service pattern, pressing keys D, time service pattern switches successively under the Big Dipper/GPS mixing time service, Big Dipper time service, GPS time service Three models.Button E is used for system reset, presses once, system recovery initial setting up.
Display lamp 14, it indicates for function signal, is distributed in the front position of shell 1, as it is shown in figure 1, be followed successively by display lamp A from left to right, display lamp B, display lamp C, display lamp D, display lamp E, display lamp F, display lamp G, display lamp H, display lamp I, display lamp J, display lamp K.Wherein display lamp A is power supply signal display lamp, and it is bright that as normal in system power supply and on and off switch 6 is in open position then this signal lights；Display lamp B is satellite-signal display lamp, and as received satellite-signal, then this display lamp is bright；Display lamp C, display lamp D, display lamp E, display lamp F, display lamp G are data frequency display lamp, and it corresponds respectively to data frequency 1,2,3,4,5, and according to data selected frequency, corresponding display lamp is bright, and remaining goes out；Display lamp H is for the first signal output interface break-make instruction, and as the first signal output interface is connected, then this display lamp is bright；Display lamp I indicates for secondary signal output interface break-make, and as secondary signal output interface is connected, then this display lamp is bright；Display lamp J and display lamp K is used to the instruction of time service pattern, and under system initial state, time service pattern is the Big Dipper/GPS mixing time service, now display lamp J, display lamp K is the brightest, Big Dipper time service, and now display lamp J is bright, and display lamp K goes out, GPS time service, now display lamp J goes out, and display lamp K is bright.
First signal output interface 8, it is positioned at the back side of shell 1, and it exports for temporal information, and time service precision is second level, including 4 RS-232 interface and 1 RS-485 interface.
Secondary signal output interface 9, it is positioned at the back side of shell 1, including 4 RS-232 interface and 1 RS-485 interface；Its function is identical with the first signal output interface.
3rd signal output interface 10, it is positioned at the back side of shell 1, and it exports for temporal information, and time service precision is Millisecond, including 2 RS-232 interface.
The Big Dipper/GPS dual-mode antenna in use, is first connected to antennal interface 7, the external civil power of power interface 5, turns on the power switch 6 by this system, and now system enters duty.In display lamp 14, display lamp A lights, and under original state, data frequency is chosen as 1, first signal output interface leads to, and secondary signal output interface leads to, and time service pattern is the Big Dipper/GPS mixing time service, now, each LED status is display lamp C, display lamp H, display lamp I, display lamp J, and display lamp K lights；Display lamp D, display lamp E, display lamp F, display lamp G extinguish；Display lamp B is satellite-signal display lamp, now flashes with frequency of once per second.
As changed data frequency, the most successively pressing keys A, now data frequency switches successively between 1,2,3,4,5, and corresponding display lamp is lighted.
As changed the first signal output interface break-make, then pressing keys B, it is achieved the switching between break-make, display lamp H extinguishes, and represents that the first signal output interface turns off, and display lamp H lights, and represents that the first signal output interface is connected.
As changed secondary signal output interface break-make, then pressing keys C, it is achieved the switching between break-make, display lamp I extinguishes, and represents that secondary signal output interface turns off, and display lamp I lights, and represents that secondary signal output interface is connected.
As changed time service pattern, pressing keys D, time service pattern switches successively under the Big Dipper/GPS mixing time service, Big Dipper time service, GPS time service Three models.Time service pattern is the Big Dipper/GPS mixing time service, and now display lamp J, display lamp K all light, Big Dipper time service, and now display lamp J is bright, and display lamp K extinguishes, GPS time service, and now display lamp J extinguishes, and display lamp K is bright.
Such as working state of system fault or unknown cause mistake, can pressing keys E, it is achieved system reset, now system recovery initial setting up.
Above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.
Claims (2)
1. the Big Dipper/GPS dual-mode time dissemination system, it is characterized in that, including shell, MCU control unit, the Big Dipper/GPS time service unit, Ethernet data Transmit-Receive Unit, power interface, on and off switch, antennal interface, the first signal output interface, secondary signal output interface, the 3rd signal output interface, Ethernet interface, digital-scroll technique unit, button and display lamp；Wherein, described antennal interface is connected with the Big Dipper/GPS time service unit；Described Ethernet interface is connected with Ethernet data Transmit-Receive Unit；Described power interface is connected with on and off switch；The described Big Dipper/GPS time service unit, Ethernet data Transmit-Receive Unit, on and off switch, the first signal output interface, secondary signal output interface, the 3rd signal output interface, digital-scroll technique unit, button are connected with MCU control unit respectively with display lamp.
A kind of Big Dipper/GPS dual-mode time dissemination system the most according to claim 1, it is characterised in that described digital-scroll technique unit, button and display lamp are arranged at outer casing frontispiece；Described power interface, on and off switch, antennal interface, the first signal output interface, secondary signal output interface, the 3rd signal output interface and Ethernet interface are arranged at shell rear surface；Described MCU control unit, the Big Dipper/GPS time service unit and Ethernet data Transmit-Receive Unit are arranged in the enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114320.6U CN205450586U (en) | 2015-12-29 | 2015-12-29 | Big dipper GPS bimodulus time service system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114320.6U CN205450586U (en) | 2015-12-29 | 2015-12-29 | Big dipper GPS bimodulus time service system |
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| Publication Number | Publication Date |
|---|---|
| CN205450586U true CN205450586U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521114320.6U Expired - Fee Related CN205450586U (en) | 2015-12-29 | 2015-12-29 | Big dipper GPS bimodulus time service system |
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| CN (1) | CN205450586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991838A (en) * | 2019-03-29 | 2019-07-09 | 南京华苏科技有限公司 | Based on Big Dipper short message master control time service device, system and method |
-
2015
- 2015-12-29 CN CN201521114320.6U patent/CN205450586U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991838A (en) * | 2019-03-29 | 2019-07-09 | 南京华苏科技有限公司 | Based on Big Dipper short message master control time service device, system and method |
| CN112147878A (en) * | 2019-03-29 | 2020-12-29 | 南京华苏科技有限公司 | Beidou short message based master control time service device and system |
| CN109991838B (en) * | 2019-03-29 | 2021-05-04 | 南京华苏科技有限公司 | Beidou short message based master control time service device, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20161229 |