CN204377153U - A kind of time service device and system - Google Patents
A kind of time service device and system Download PDFInfo
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- CN204377153U CN204377153U CN201420564857.1U CN201420564857U CN204377153U CN 204377153 U CN204377153 U CN 204377153U CN 201420564857 U CN201420564857 U CN 201420564857U CN 204377153 U CN204377153 U CN 204377153U
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- service device
- time service
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Abstract
The utility model provides a kind of time service device and system, and this time service device comprises clock processing module and universal data interface; Clock processing module receive clock signal, by universal data interface is sent after resolving to clock signal; One end of universal data interface connects clock processing module, and the other end connects wireless base station by general-purpose data line, for clock processing module is powered, and completes the data interaction between clock processing module and wireless base station.By enforcement of the present utility model, universal data interface is increased in time service device, make to be connected by general-purpose data line (such as netting twine etc.) between time service device and wireless base station, compared with adopting the cost of client cables and the difficulty that connects up with existing Service of Timing, cost and layout difficulty all can reduce, and alleviate the cost of Service of Timing.
Description
Technical field
The utility model relates to the clock synchronous field of wireless base station, particularly relates to a kind of time service device and system.
Background technology
Along with the appearance of the new communication technologies such as 3G/4G, existing macro base stations (between macro base stations and server wired connection) can not meet the demand of the network coverage, the wireless base stations such as little base station (this kind of base station wirelessly communicates with macro base stations) arise at the historic moment, and day by day universal.
For wireless base station, the wireless base station of part standard (as CDMA/TD-SCDMA/TDD-LTE), need definitely align the time phase between base station, and the wireless base station of part standard (as GSM/UMTS/FDD-LTE), only need base station system clock frequency substantially equal, for not requiring alignment time phase; But, being no matter the wireless base station of which kind of standard, all needing the clock source of an external standard for ensureing the clock accuracy of wireless base station.
The most frequently used standard clock source in wireless base station is gps system, conventional GPS Service of Timing has in following two: in GPS Service of Timing as shown in Figure 1, gps signal receiver module is built in wireless base station, gps antenna receives gps satellite signal, and the gps signal receiver module process that satellite-signal is delivered to inside, wireless base station by RF cable is obtained reference clock; In GPS Service of Timing as shown in Figure 2, gps antenna and gps signal receiver module are integrated in a device interior, gps signal receiver module are resolved the digital signal transfers that obtains to base station by special cable; But, these two kinds of Service of Timing all need special making and erection client cables, and cost is high, and are arranged on indoor due to wireless base stations such as little base stations more, aesthetic measure for environment requires higher, and also will increase design difficulty and cost in indoor layout client cables.
Therefore, how providing a kind of Service of Timing reduced costs, is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
The utility model provides a kind of time service device and system, can alleviate the problem that existing Service of Timing cost is higher.
The utility model provides a kind of time service device, and for providing reference clock for wireless base station, in one embodiment, time service device comprises clock processing module and universal data interface; Clock processing module receive clock signal, by universal data interface is sent after resolving to clock signal; One end of universal data interface connects clock processing module, and the other end connects wireless base station by general-purpose data line, for clock processing module is powered, and completes the data interaction between clock processing module and wireless base station.
Further, the time service device in above-described embodiment also comprises the installation module for fixed clock processing module, and installation module is fixed on fixture by fixture.
Further, the clock processing module in above-described embodiment and installation module removably connect.
Further, the installation module in above-described embodiment is provided with elastic fastening hook, utilizes elastic fastening hook fixed clock processing module.
Further, the clock processing module in above-described embodiment comprises a housing, and housing is provided with the mark for representing reception antenna position in clock processing module.
Further, the general-purpose data line in above-described embodiment comprises CAT-5 netting twine or CAT-6 netting twine, and universal data interface is RJ45 interface.
Further, sent by universal data interface after clock signal is resolved to RS232 or RS485 level signal by the clock processing module in above-described embodiment.
The utility model additionally provides a kind of time dissemination system, in one embodiment, time dissemination system comprises the time service device that clock source, wireless base station and the utility model provide, and time service device connects wireless base station by general-purpose data line, and wireless base station utilizes conventional data alignment time service device to power.
Further, the clock source in above-described embodiment comprises the one in gps system, Beidou satellite system or GALILEO satellite system.
The beneficial effects of the utility model:
The time service device that the utility model provides and system, by increasing universal data interface in time service device, make to be connected by general-purpose data line (such as netting twine etc.) between time service device and wireless base station, compared with adopting the cost of client cables and the difficulty that connects up with existing Service of Timing, cost and layout difficulty all can reduce, and alleviate the cost of Service of Timing; Further, the utility model is by arranging for time service device the installation module removably connected with primary module (clock processing module), and the installation process making user passable is more convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the first Service of Timing in prior art;
Fig. 2 is the schematic diagram of the second Service of Timing in prior art;
The scheme of installation of the time dissemination system that Fig. 3 provides for the utility model first embodiment;
The connection diagram of the time service device that Fig. 4 provides for the utility model second embodiment and wireless base station;
The structural representation of the time service device that Fig. 5 provides for the utility model the 3rd embodiment;
The structural representation of installation module in the time service device that Fig. 6 provides for the utility model the 4th embodiment;
The structural representation of the time service device middle shell that Fig. 7 provides for the utility model the 5th embodiment;
The scheme of installation of the time service device that Fig. 8 provides for the utility model the 6th embodiment.
Embodiment
Now by embodiment mode by reference to the accompanying drawings the utility model made and further annotate explanation.
Core concept of the present utility model is to provide a kind of general-purpose data line that uses to complete the Service of Timing of power supply and transfer of data between time service device and wireless base station, and the larger problem of cost is popularized in the wireless base station that alleviating existing Service of Timing needs client cables to cause.
First embodiment:
The scheme of installation of the time dissemination system that Fig. 3 provides for the utility model first embodiment, as shown in Figure 3, in the present embodiment, the time dissemination system 3 that the utility model provides comprises clock source 31, wireless base station 32 and time service device 33, concrete,
Clock source 31 comprises the one in gps system, Beidou satellite system or GALILEO satellite system, and generally conventional is gps system time service;
Wireless base station 32 comprises the small base station that little base station etc. can be arranged on user indoor, it realizes the communication with macro base stations by wireless network, for increasing the level of coverage of communication network, the wireless base station 32 in same communication network needs to be operated in relatively consistent clock accuracy;
Time service device 33 is that the satellite-signal sent by antenna acquisition clock source 31 obtains clock signal, and this clock signal is sent to wireless base station 32, possess the clock accuracy identical with clock source 31 to realize wireless base station 32, and then make all wireless base stations can possess identical clock accuracy;
In order to reduce cost and the layout difficulty of existing Service of Timing, in the present embodiment, by arranging universal data interface to be connected with wireless base station 32 in time service device 33, concrete, time service device 33 connects wireless base station 32 by general-purpose data line, and wireless base station 32 utilizes conventional data alignment time service device 33 to power;
As shown in Figure 3, in the present embodiment time service device can disposed in the interior (the existing time service device shown in Fig. 1 and 2 because need special permanent plant and install client cables, generally disposed in the outdoor), layout difficulty can be reduced, wireless base station 32 is connected by netting twine with time service device 33 simultaneously, and cost is lower, adopts netting twine to connect wireless base station 32 and time service device 33 simultaneously, can the configuration of compatible existing user indoor, facilitate user installation and use;
Concrete, for GPS Service of Timing, time service device is built-in gps antenna and GPS, the positional information etc. of time signal and this module is parsed for receiving satellite signal information, be responsible for powering to time service device in wireless base station, the time signal that transmission message instruction and reception time service module send, positional information etc., there is RJ45 interface time service device and wireless base station or both can goes out the universal data interface such as RJ45 interface by cable switching, be convenient to directly be connected with the general-purpose data line such as netting twine, preferably, general-purpose data line is connected and can utilizes the netting twine that cloth is good, transmission of signal and power supply between base station and time service module.
Second embodiment:
The connection diagram of the time service device that Fig. 4 provides for the utility model second embodiment and wireless base station, as shown in Figure 4, in the present embodiment, for GPS Service of Timing, concrete: 1PPS+/1PPS-signal is used for the pps pulse per second signal that time service device 33 sends to wireless base station 32; ToD+/ToD-signal is used for time service device 33 sends to wireless base station 32 information such as time, position by serial ports; CMD+/CMD-signal is used for wireless base station 32 and sends instruction to time service device 33; Power signal is the power supply that wireless base station 32 is supplied to time service device 33; GND signal is ground signalling; This gives between wireless base station with time service device and how to be connected power supply and signal transmission by general-purpose data lines such as netting twines, making to utilize general-purpose data line to replace client cables becomes possibility.
3rd embodiment:
The structural representation of the time service device that Fig. 5 provides for the utility model the 3rd embodiment, as shown in Figure 5, in the present embodiment, time service device 33 comprises clock processing module 331 and universal data interface 332; Clock processing module 331 receive clock signal, by universal data interface 332 is sent after resolving to clock signal; One end of universal data interface 332 connects clock processing module, and the other end connects wireless base station (not shown) by general-purpose data line, for clock processing module is powered, and complete data interaction between clock processing module and wireless base station for.
4th embodiment:
The structural representation of installation module in the time service device that Fig. 6 provides for the utility model the 4th embodiment, as shown in Figure 6, in the present embodiment:
Time service device 33 also comprises the installation module 333 for fixed clock processing module 331 (not shown), and installation module 333 is fixed on fixture by fixture; Further, clock processing module 331 and installation module 333 removably connect, and preferably, installation module 333 is provided with elastic fastening hook 3331, utilizes elastic fastening hook 3331 fixed clock processing module 331.
5th embodiment:
The structural representation of the time service device middle shell that Fig. 7 provides for the utility model the 5th embodiment, as shown in Figure 7, in the present embodiment: clock processing module 331 comprises a housing, for the protection of and fixed clock processing module 331 in antenna and processor, housing is provided with the mark for representing reception antenna position in clock processing module, GPS icon as shown in Figure 7; The present embodiment is convenient to user when mounted by arranging mark, can determine fast and ensure that antenna face (Signal reception face) is towards sky.
Time service device 33 provided by the utility model can be arranged on indoor, also can be arranged on outdoor, facilitates user to select, and hereafter to be arranged on indoor being described, is arranged on outdoor similar.
6th embodiment:
The scheme of installation of the time service device that Fig. 8 provides for the utility model the 6th embodiment; As shown in Figure 8, in the utility model, when time service device 33 is arranged on indoor, mainly comprise following two kinds of mounting meanss:
Subsides window as shown in (a) in Fig. 8 is installed, namely be pasted onto on window-glass, concrete, when being attached on window-glass, the antenna receiving plane of time service device should towards installation module, and installation module is fixed on glass by modes such as viscose glue/absorption, determines antenna face by the sky line index on time service device, and by antenna face towards installation module, by the elastic fastening hook of installation module, the clock processing module of time service device is fixed up;
Extension wall as shown in (b) in Fig. 8 is installed, namely screw etc. is utilized to be fixed on windowsill, concrete, installation module by screw fix/viscose glue fixes/mode such as magnet adsorption is fixed on windowsill, antenna face is determined by the sky line index on time service device, by antenna reverse side towards installation module, by the elastic fastening hook of installation module, the clock processing module of time service device is fixed up.
Use for GPS time service, in certain embodiments, clock processing module comprises gps antenna and gps signal receiving system, by gps antenna and GPS being integrated within a time service module, antenna and receiver are apart from as far as possible short, the signal attenuation due to RF cable introducing can be avoided, strengthen the sensitivity of GPS receiving system.After GPS parses gps signal, output time phase information (as 1PPS) and the information such as time and geographical position, export with the form of digital signal, in order to increase transmission range, universal data interface is exported again to after can converting the signal into the level forms such as RS232 or RS485 in clock processing module, and universal data interface can direct and common netting twine (as CAT5, CAT6) be connected, the signal between such time service device and wireless base station and power supply can realize transmitting by netting twine.And in order to avoid in indoor rewiring, the indoor netting twine (as CAT-5 cable) that cloth is good can be utilized as the signal transmission cable connected between wireless base station and time service device, now require that time service device possesses the universal data interface that can be connected with netting twine, as RJ45 interface, can pass through time service device module installation one with RJ45 interface extension line, as shown in Figure 5.
In summary, by enforcement of the present utility model, at least there is following beneficial effect:
By increasing universal data interface in time service device, make to be connected by general-purpose data line (such as netting twine etc.) between time service device and wireless base station, compared with adopting the cost of client cables and the difficulty that connects up with existing Service of Timing, cost and layout difficulty all can reduce, and alleviate the cost of Service of Timing;
Further, the utility model is by arranging for time service device the installation module removably connected with primary module (clock processing module), and the installation process making user passable is more convenient;
Further, the housing of time service device arranges mark, is convenient to user installation.
Below be only embodiment of the present utility model; not any pro forma restriction is done to the utility model; every above execution mode is done according to technical spirit of the present utility model any simple modification, equivalent variations, combination or modification, all still belong to the protection range of technical solutions of the utility model.
Claims (9)
1. a time service device, for providing reference clock for wireless base station, is characterized in that, described time service device comprises clock processing module and universal data interface; Described clock processing module receive clock signal, by described universal data interface is sent after resolving to described clock signal; One end of described universal data interface connects described clock processing module, and the other end connects described wireless base station by general-purpose data line, for described clock processing module is powered, and completes the data interaction between described clock processing module and described wireless base station.
2. time service device as claimed in claim 1, is characterized in that, described time service device also comprises the installation module for fixing described clock processing module, and described installation module is fixed on fixture by fixture.
3. time service device as claimed in claim 2, it is characterized in that, described clock processing module and described installation module removably connect.
4. time service device as claimed in claim 3, it is characterized in that, described installation module is provided with elastic fastening hook, utilizes described elastic fastening hook to fix described clock processing module.
5. time service device as claimed in claim 1, it is characterized in that, described clock processing module comprises a housing, and described housing is provided with the mark for representing reception antenna position in described clock processing module.
6. the time service device as described in any one of claim 1 to 5, is characterized in that, described general-purpose data line comprises CAT-5 netting twine or CAT-6 netting twine, and described universal data interface is RJ45 interface.
7. the time service device as described in any one of claim 1 to 5, is characterized in that, described clock processing module is sent by described universal data interface after described clock signal is resolved to RS232 or RS485 level signal.
8. a time dissemination system, it is characterized in that, described time dissemination system comprises clock source, wireless base station and the time service device as described in any one of claim 1 to 7, described time service device connects described wireless base station by general-purpose data line, and described wireless base station utilizes time service device described in described conventional data alignment to power.
9. time dissemination system as claimed in claim 8, it is characterized in that, described clock source comprises the one in gps system, Beidou satellite system or GALILEO satellite system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564857.1U CN204377153U (en) | 2014-09-28 | 2014-09-28 | A kind of time service device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564857.1U CN204377153U (en) | 2014-09-28 | 2014-09-28 | A kind of time service device and system |
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| CN204377153U true CN204377153U (en) | 2015-06-03 |
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| CN201420564857.1U Active CN204377153U (en) | 2014-09-28 | 2014-09-28 | A kind of time service device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764132A (en) * | 2014-12-16 | 2016-07-13 | 中兴通讯股份有限公司 | Time service method, device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764132A (en) * | 2014-12-16 | 2016-07-13 | 中兴通讯股份有限公司 | Time service method, device and system |
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