CN201673377U - Wireless timing system based on GPS/Beidou dual-mode time service - Google Patents
Wireless timing system based on GPS/Beidou dual-mode time service Download PDFInfo
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- CN201673377U CN201673377U CN 201020198557 CN201020198557U CN201673377U CN 201673377 U CN201673377 U CN 201673377U CN 201020198557 CN201020198557 CN 201020198557 CN 201020198557 U CN201020198557 U CN 201020198557U CN 201673377 U CN201673377 U CN 201673377U
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Abstract
The utility model relates to a wireless timing system based on a GPS/Beidou dual-mode time service, which comprises a receiving unit, a main control unit, a timing signal transmitting unit, a timing signal receiving unit and a timing unit, wherein the receiving unit receives a UTC standard time service signal emitted by a GPS satellite/a Beidou satellite; the main control unit modulates to generate a clock timing signal according to the UTC standard time service signal; the timing signal transmitting unit adopts a ZigBee ad hoc network to carry out indoor transmission on the clock timing signal; the timing signal receiving unit receives the clock timing signal transmitted by the transmitting unit; and the timing unit carries out timing on an indoor terminal clock by using the received clock timing signal. The wireless timing system carries out timing on each indoor terminal clock so as to realize time synchronization by receiving the UTC standard time service signal emitted by the GPS satellite/the Beidou satellite, generating the clock timing signal according to the UTC standard time service signal and adopting the ZigBee ac hoc network technology to carry out indoor transmission on the clock timing signal.
Description
Technical field
The utility model relates to the timing technical field, more particularly, relates to a kind of wireless timing system based on the time service of GPS/ Big Dipper bimodulus when being used for indoor each terminal clock and watch school.
Background technology
Along with Service of Timing by Satellite is gradually improved, when the high precision clock and watch carried out the school by the time signal that receives satellite transmission mostly, still, the antenna that receives time signal all was erected at the open air, if the indoor terminal clock and watch must be at indoor layout cable with the transmission time signal will implement the school time.So, if in the time of will carrying out synchronous school to indoor a plurality of terminal clock and watch, must be at the cable network of indoor complicated layout to solve the synchronous transmission problem of correcting delay signal, therefore, a kind of wireless timing system that is applicable to indoor received GPS/ Big Dipper bimodulus time service of active demand.
In addition, the present applicable global position system of China has gps system and dipper system, based on factors such as securities of system, needs the bimodulus time dissemination system of compatible with GPS time service simultaneously and Big Dipper time service.
The utility model content
The technical problems to be solved in the utility model is, constantly must be in the prior art indoor a plurality of terminal clock and watch being carried out the school in the defective of indoor layout cable, a kind of wireless timing system based on the time service of GPS/ Big Dipper bimodulus when being used for indoor each terminal clock and watch school is provided.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of wireless timing system based on the time service of GPS/ Big Dipper bimodulus, comprising:
By be arranged on outdoor receiving antenna, time signal receives to indoor time signal receiving element by outdoor during with the UTC standard of gps satellite/big-dipper satellite emission;
The main control unit that be electrically connected with described time signal receiving element, time signal produces the clock correcting delay signal during according to described UTC standard;
Be electrically connected with described main control unit, adopt the ZigBee ad-hoc network to implement the correcting delay signal broadcast unit of indoor clock correcting delay signal broadcast;
Communicate to connect, receive correcting delay signal receiving element with described correcting delay signal broadcast unit wireless by the clock correcting delay signal of correcting delay signal broadcast unit broadcast;
Unit during school when clock correcting delay signal that the correcting delay signal receiving element is electrically connected, uses described correcting delay signal receiving element to receive carries out the school to the indoor terminal clock and watch.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, the mode setting unit that the unit is electrically connected when also comprising with the school, the mode of operation of unit is provided with during to the school; The mode of operation of unit comprises automatically calibration mode and manual synchronization calibration mode synchronously during described school.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, described correcting delay signal broadcast unit comprises the global function device of the network coordination point that serves as the ZigBee ad-hoc network.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, described correcting delay signal broadcast unit comprises display device.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, the topological structure of ZigBee ad-hoc network is starlike, netted or tree-shaped in the described correcting delay signal broadcast unit.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, described ZigBee ad-hoc network is a wireless mesh network.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model adopts the asynchronous serial communication mode between the unit when described correcting delay signal receiving element and school.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, described correcting delay signal receiving element are connected by hardware interface between the unit during with the school.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus described in the utility model, described terminal clock and watch comprise digital display clock and watch and pointer clock.
Implement the wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model, has following beneficial effect: time signal and produce the clock correcting delay signal when receiving the UTC standard by gps satellite/big-dipper satellite emission according to it, adopt ZigBee ad-hoc network technology that the clock correcting delay signal is transmitted indoor again, thereby when indoor each terminal clock and watch are carried out the school, to realize time synchronized.
Wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model need be at the cable network of indoor complicated layout, and reliability is higher.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the block diagram of the utility model based on first embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service;
Fig. 2 is the block diagram of the utility model based on second embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service;
Fig. 3 is the block diagram of the utility model based on the 3rd embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service.
Embodiment
Implement the wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model, can realize indoor each terminal clock and watch instruction times synchronously, and synchronization accuracy can reach in the 20nS.
As shown in Figure 1, be the block diagram of the utility model based on first embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service.In the present embodiment, unit 5 in the time of should comprising time signal receiving element 1, main control unit 2, correcting delay signal broadcast unit 3, correcting delay signal receiving element 4 and school based on wireless timing system of GPS/ Big Dipper bimodulus time service.Wherein, time signal receiving element 1 when being arranged on outdoor antenna with the UTC standard of gps satellite/big-dipper satellite emission time signal by outdoor receive to indoor; Main control unit 2 is electrically connected with described time signal receiving element 1, and time signal produces the clock correcting delay signal during according to described UTC standard; Correcting delay signal broadcast unit 3 is electrically connected with main control unit 2, adopts the ZigBee ad-hoc network to implement the broadcast of indoor clock correcting delay signal; Correcting delay signal receiving element 4 is connected with correcting delay signal broadcast unit 3 radio communications, receives the clock correcting delay signal by 3 broadcasts of correcting delay signal broadcast unit; Unit 5 is electrically connected with correcting delay signal receiving element 4 during the school, when the clock correcting delay signal that receives according to correcting delay signal receiving element 4 carries out the school to indoor each terminal clock and watch, to realize time synchronized.
As shown in Figure 2, be the block diagram of the utility model based on second embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service.Among this second embodiment, be: the mode setting unit 6 that unit 5 was electrically connected when described wireless timing system based on the time service of GPS/ Big Dipper bimodulus also comprised with the school, the mode of operation of unit 5 is provided with during to the school with the difference of first embodiment shown in Figure 1.The mode of operation of unit 5 comprises automatically calibration mode and manual synchronization calibration mode synchronously during the school, selects to be provided with by 6 pairs of above-mentioned two kinds of mode of operations of this mode setting unit.
Under automatically synchronous calibration mode, a moment that presets, as some every mornings 10, unit 5 is opened automatically during the school, when the clock correcting delay signal that unit 5 receives according to correcting delay signal receiving element 4 during the school carries out the school to indoor each terminal clock and watch.Under the manual synchronization calibration mode, unit 5 is opened constantly at any one in the time of can be by mode setting unit 6 control schools, thereby when 5 pairs of indoor each the terminal clock and watch in unit carry out the school when making the school.In the present embodiment, mode setting unit 6 can be a selector button or switch, in a word, is set to foundation with the selection that can realize mode of operation.
To sum up, in the wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model, time signal when time signal receiving element 1 receives by the UTC standard of gps satellite/big-dipper satellite emission, this time signal be with the form of NMEA0183 statement, as:
The GPS time signal is $GPZDA, hhmmss.ddd, dd, mm, yyyy, xx, yy*hh＜CR〉＜LF 〉, Big Dipper time signal is $BDZDA, hhmmss.ddd, dd, mm, yyyy, xx, yy*hh＜CR〉＜LF 〉.
The ZigBee ad-hoc network adopts the ZigBee technology, the ZigBee technology is emerging in recent years a kind of wireless communication technology between RFID and bluetooth, it has the characteristics of low-power consumption, low cost, low rate, capacity big (network is supported 65535 nodes at most), and the complete ZigBee protocol stack is made up of application layer, network layer, MAC layer and Physical layer.The ZigBee ad-hoc network is operated on the Physical layer of IEEE802.15.4, its frequency range opens for free, be respectively 2.4GHz (whole world), 915MHz (U.S.) and 868MHz (Europe), adopt the product of ZigBee technology 250kbit/s (16 channels) being provided on the 2.4GHz, 40kbit/s (10 channels) being provided and 20kbit/s is provided on 868MHz the transfer rate of (1 channel) at 915MHz, transmission range depends on output power and channel circumstance,, be generally about 30m between the 100m between 10m.At above-mentioned 3 different frequency ranges, all adopt phase modulation technique, particularly,, adopt the modulation technique of BPSK in 915MHz and 868MHz frequency range; The QPSK modulation technique that adopts higher-order when the 2.4GHz frequency range has reduced the working time to reach the speed of 250kbit/s, has reduced power consumption.Wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model can use 2.4GHz, 915MHz, 868MHz and 433MHz frequency range.
In the utility model, the topological structure of ZigBee ad-hoc network can be starlike, netted or tree-shaped in the correcting delay signal broadcast unit 3.Preferably, above-mentioned ZigBee ad-hoc network is selected wireless mesh network for use, and wireless mesh network is called the MESH network again, and the MESH network all is formed by connecting by the global function device, has higher reliability.
Preferably, adopt the asynchronous serial communication mode when correcting delay signal receiving element 4 and school between the unit 5.Correcting delay signal receiving element 4 is connected by hardware interface between the unit 5 during with the school, and this hardware interface comprises that 2 power leads, 1 bars send line and 1 bars receives line, and all with the output of 5VTTL level form, working current is generally 700mA～800mA.
Further, correcting delay signal broadcast unit 3 also comprises display device, and information such as the duty of correcting delay signal broadcast unit 3 and standard UTC time are shown.
As shown in Figure 3, be the block diagram of the utility model based on the 3rd embodiment of the wireless timing system of GPS/ Big Dipper bimodulus time service.In the present embodiment, should mainly be made up of wireless signal transmitter 10 and a plurality of receiver based on the wireless timing system of GPS/ Big Dipper bimodulus time service, these a plurality of receivers are that example describes with first receiver 21, second receiver 22 and the 3rd receiver 23.All adopt communication between wireless signal transmitter 10 and first receiver 21, second receiver 22 and the 3rd receiver 23, wherein, wireless signal transmitter 10 comprises time signal receiving element 1, main control unit 2 and correcting delay signal broadcast unit 3, time signal receiving element 1 is by being arranged on outdoor receiving antenna, time signal when receiving the standard UTC that is launched by gps satellite/big-dipper satellite; Main control unit 2 is electrically connected with described time signal receiving element 1, and time signal generates the clock correcting delay signal during according to described standard UTC; Correcting delay signal broadcast unit 3 is electrically connected with main control unit 2, adopts the ZigBee ad-hoc network to implement the broadcast of indoor clock correcting delay signal.Unit 5 when first receiver 21, second receiver 22 and the 3rd receiver 23 include correcting delay signal receiving element 4 and school, correcting delay signal receiving element 4 is connected with correcting delay signal broadcast unit 3 radio communications, receives the clock correcting delay signal by 3 broadcasts of correcting delay signal broadcast unit; Unit 5 is electrically connected with correcting delay signal receiving element 4 during the school, when the clock correcting delay signal that receives according to correcting delay signal receiving element 4 carries out the school to indoor each terminal clock and watch with multiple terminals clock display synchronization in the zone, when promptly 21 pairs of clock and watch of first receiver 1 carry out the school, when 22 pairs of clock and watch of second receiver 2 carry out the school, when 23 pairs of clock and watch of the 3rd receiver 3 carry out the school, realize that finally clock and watch 1, clock and watch 2 and clock and watch 3 show the synchronous of time.Certainly, the quantity of receiver can be set according to the quantity of actual indoor terminal clock and watch, the corresponding receiver of each terminal clock and watch.
In the utility model, described terminal clock and watch can be digital display clock and watch, pointer clock, also can be the clock and watch of other type, as voice broadcast clock and watch etc.
In sum, time signal and generate clock correcting delay signal when the wireless timing system based on the time service of GPS/ Big Dipper bimodulus of the present utility model receives by the standard UTC of gps satellite/big-dipper satellite emission according to it, adopt the broadcast of the indoor clock correcting delay signal of ZigBee ad-hoc network technology implementation, when indoor each terminal clock and watch are carried out the school, thereby realize indoor multiple terminals watch time display synchronization, and when having realized GPS/ Big Dipper bimodulus time service school.In the utility model, need be at the cable network of indoor complicated layout, and reliability is higher.
The above only is embodiment of the present utility model, not in order to restriction the utility model, all any modifications of being done in spirit of the present utility model and principle, is equal to and replaces or improvement etc., all should be included in the protection domain of the present utility model.
Claims (9)
1. wireless timing system based on the time service of GPS/ Big Dipper bimodulus comprises:
By be arranged on outdoor receiving antenna, time signal receives to indoor time signal receiving element by outdoor during with the UTC standard of gps satellite/big-dipper satellite emission;
The main control unit that be electrically connected with described time signal receiving element, time signal produces the clock correcting delay signal during according to described UTC standard;
It is characterized in that, also comprise:
Be electrically connected with described main control unit, adopt the ZigBee ad-hoc network to implement the correcting delay signal broadcast unit of indoor clock correcting delay signal broadcast;
Communicate to connect, receive correcting delay signal receiving element with described correcting delay signal broadcast unit wireless by the clock correcting delay signal of correcting delay signal broadcast unit broadcast;
Unit during school when clock correcting delay signal that the correcting delay signal receiving element is electrically connected, uses described correcting delay signal receiving element to receive carries out the school to the indoor terminal clock and watch.
2. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 is characterized in that, the mode setting unit that the unit is electrically connected when also comprising with the school, the mode of operation of unit is provided with during to the school; The mode of operation of unit comprises automatically calibration mode and manual synchronization calibration mode synchronously during described school.
3. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 and 2 is characterized in that, described correcting delay signal broadcast unit comprises the global function device of the network coordination point that serves as the ZigBee ad-hoc network.
4. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 3 is characterized in that, described correcting delay signal broadcast unit comprises display device.
5. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 is characterized in that, the topological structure of ZigBee ad-hoc network is starlike, netted or tree-shaped in the described correcting delay signal broadcast unit.
6. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 5 is characterized in that described ZigBee ad-hoc network is a wireless mesh network.
7. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 is characterized in that, adopts the asynchronous serial communication mode when described correcting delay signal receiving element and school between the unit.
8. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 is characterized in that, described correcting delay signal receiving element is connected by hardware interface between the unit during with the school.
9. the wireless timing system based on the time service of GPS/ Big Dipper bimodulus according to claim 1 is characterized in that described terminal clock and watch comprise digital display clock and watch and pointer clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201020198557 CN201673377U (en) | 2010-05-21 | 2010-05-21 | Wireless timing system based on GPS/Beidou dual-mode time service |
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| CN 201020198557 CN201673377U (en) | 2010-05-21 | 2010-05-21 | Wireless timing system based on GPS/Beidou dual-mode time service |
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Cited By (14)
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| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102073269A (en) * | 2010-12-16 | 2011-05-25 | 成都天奥电子股份有限公司 | Big dipper watch-timing device and timing method thereof |
| CN102883426A (en) * | 2012-10-11 | 2013-01-16 | 天津大学 | Long-distance wireless mesh network media access control (MAC) protocol based on satellite time service |
| CN103135441A (en) * | 2013-02-04 | 2013-06-05 | 常州银丰科技有限公司 | Global position system (GPS) timing device and running method thereof |
| CN103257295A (en) * | 2013-05-03 | 2013-08-21 | 东北大学 | Intelligent micro-grid detecting system and detecting method based on beidou-GPS bimodule time service |
| WO2013167079A3 (en) * | 2012-10-25 | 2014-01-09 | 中兴通讯股份有限公司 | Method and device for synchronizing time in short distance |
| CN104199273A (en) * | 2014-09-17 | 2014-12-10 | 宝捷时计电子（深圳）有限公司 | Watch without button and handle |
| CN104238354A (en) * | 2013-08-10 | 2014-12-24 | 漳州市恒丽电子有限公司 | Whole set type wrist watch combination with automatic time correction function |
| CN104730919A (en) * | 2015-04-02 | 2015-06-24 | 西安电子科技大学 | Beidou satellite timing system and method |
| CN105425682A (en) * | 2015-12-28 | 2016-03-23 | 天津市顺通电子有限公司 | Tunnel GPS time calibration device |
| CN106814600A (en) * | 2017-01-17 | 2017-06-09 | 冯宇霖 | Bluetooth technology clock networking timing system and method for the one kind based on the Big Dipper/GPS |
| CN106933093A (en) * | 2017-02-27 | 2017-07-07 | 河南广播电视大学 | A kind of wireless timing system based on zigbee communications and Beidou dual-mode time service |
| CN108282493A (en) * | 2018-03-05 | 2018-07-13 | 深圳市兴威帆电子技术有限公司 | A kind of Wireless clock module and wireless calibration method |
| CN111273540A (en) * | 2020-04-15 | 2020-06-12 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
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2010
- 2010-05-21 CN CN 201020198557 patent/CN201673377U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102073269A (en) * | 2010-12-16 | 2011-05-25 | 成都天奥电子股份有限公司 | Big dipper watch-timing device and timing method thereof |
| CN102073269B (en) * | 2010-12-16 | 2012-04-25 | 成都天奥电子股份有限公司 | Timing method of big dipper watch-timing device |
| CN102033489B (en) * | 2010-12-16 | 2012-11-14 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102033489A (en) * | 2010-12-16 | 2011-04-27 | 成都天奥电子股份有限公司 | Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| CN102883426A (en) * | 2012-10-11 | 2013-01-16 | 天津大学 | Long-distance wireless mesh network media access control (MAC) protocol based on satellite time service |
| WO2013167079A3 (en) * | 2012-10-25 | 2014-01-09 | 中兴通讯股份有限公司 | Method and device for synchronizing time in short distance |
| CN103135441B (en) * | 2013-02-04 | 2015-06-10 | 常州银丰科技有限公司 | Global position system (GPS) timing device and running method thereof |
| CN103135441A (en) * | 2013-02-04 | 2013-06-05 | 常州银丰科技有限公司 | Global position system (GPS) timing device and running method thereof |
| CN103257295A (en) * | 2013-05-03 | 2013-08-21 | 东北大学 | Intelligent micro-grid detecting system and detecting method based on beidou-GPS bimodule time service |
| CN103257295B (en) * | 2013-05-03 | 2015-09-30 | 东北大学 | Based on intelligent micro-grid detection system and the method for the Big Dipper-GPS dual-mode time service |
| CN104238354A (en) * | 2013-08-10 | 2014-12-24 | 漳州市恒丽电子有限公司 | Whole set type wrist watch combination with automatic time correction function |
| CN104199273A (en) * | 2014-09-17 | 2014-12-10 | 宝捷时计电子（深圳）有限公司 | Watch without button and handle |
| CN104730919A (en) * | 2015-04-02 | 2015-06-24 | 西安电子科技大学 | Beidou satellite timing system and method |
| CN105425682A (en) * | 2015-12-28 | 2016-03-23 | 天津市顺通电子有限公司 | Tunnel GPS time calibration device |
| CN106814600A (en) * | 2017-01-17 | 2017-06-09 | 冯宇霖 | Bluetooth technology clock networking timing system and method for the one kind based on the Big Dipper/GPS |
| CN106814600B (en) * | 2017-01-17 | 2019-08-13 | 冯宇霖 | One kind being based on Beidou/GPS Bluetooth technology clock networking calibration method |
| CN106933093A (en) * | 2017-02-27 | 2017-07-07 | 河南广播电视大学 | A kind of wireless timing system based on zigbee communications and Beidou dual-mode time service |
| CN108282493A (en) * | 2018-03-05 | 2018-07-13 | 深圳市兴威帆电子技术有限公司 | A kind of Wireless clock module and wireless calibration method |
| CN108282493B (en) * | 2018-03-05 | 2024-01-30 | 深圳市兴威帆电子技术有限公司 | Wireless clock module and wireless timing method |
| CN111273540A (en) * | 2020-04-15 | 2020-06-12 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
| CN111273540B (en) * | 2020-04-15 | 2022-06-28 | 河南广播电视大学 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
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Granted publication date: 20101215 |