CN111273540A - Wireless timing system based on zigbee communication and Beidou dual-mode time service - Google Patents
Wireless timing system based on zigbee communication and Beidou dual-mode time service Download PDFInfo
- Publication number
- CN111273540A CN111273540A CN202010295268.8A CN202010295268A CN111273540A CN 111273540 A CN111273540 A CN 111273540A CN 202010295268 A CN202010295268 A CN 202010295268A CN 111273540 A CN111273540 A CN 111273540A
- Authority
- CN
- China
- Prior art keywords
- timing
- time service
- unit
- signal
- receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/26—Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
The invention discloses a wireless timing system based on zigbee communication and Beidou dual-mode time service, which comprises: the time service signal receiving unit is arranged outdoors and is used for receiving UTC standard time service signals transmitted by a GPS satellite/Beidou satellite; the timing signal transmitting unit is used for receiving the received UTC standard time service signal from the outdoor to the indoor through a ZigBee ad hoc network; and the timing unit is arranged indoors and used for receiving the UTC standard time service signal sent by the signal sending unit and calling the corresponding timing model to realize the correction of the indoor clock time based on the received UTC standard time service signal. The invention calls different increment-V3 models to realize automatic timing based on different data transmission time difference values, thereby reducing the timing error of the system and realizing high-precision clock synchronization.
Description
Technical Field
The invention relates to a wireless timing system, in particular to a wireless timing system based on zigbee communication and Beidou dual-mode time service.
Background
With the improvement of satellite time service technology, high-precision timepieces are mostly calibrated by receiving time service signals transmitted by satellites, however, antennas for receiving the time service signals are all erected outdoors, and when an indoor terminal timepiece needs to perform time calibration, cables need to be arranged indoors to transmit the time service signals.
Meanwhile, the existing timing system does not consider errors generated by data transmission time, and the whole timing error is increased to a certain extent.
Disclosure of Invention
In order to solve the problems, the invention provides a wireless timing system based on zigbee communication and Beidou dual-mode time service, cables do not need to be arranged indoors, and timing errors can be reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a wireless timing system based on zigbee communication and big dipper dual-mode time service comprises:
the time service signal receiving unit is arranged outdoors and is used for receiving UTC standard time service signals transmitted by a GPS satellite/Beidou satellite;
the timing signal transmitting unit is used for receiving the received UTC standard time service signal from the outdoor to the indoor through a ZigBee ad hoc network;
and the timing unit is arranged indoors and used for receiving the UTC standard time service signal sent by the signal sending unit and calling the corresponding timing model to realize the correction of the indoor clock time based on the received UTC standard time service signal.
Further, the timing model adopts an inclusion-V3 model.
Furthermore, a timing unit is arranged in the timing signal transmission unit, the timing unit is started when the timing signal transmission unit receives the UTC standard time signal, and is closed when the timing unit receives the UTC standard time signal, the corresponding time difference value is output, and meanwhile, the zero clearing operation of the timing unit is realized.
Furthermore, the time correction unit calls the corresponding time correction model according to the time difference.
Further, the time correction unit calls a corresponding time correction model based on the nearest classifier according to the time difference value.
And the early warning module is started when the evaluation result falls into a preset threshold.
The standby time signal transmitting unit is started when the time difference evaluation result falls into a threshold, and is used for receiving the received UTC standard time signal from the outdoor to the indoor through the LoRa wireless communication module; a timing unit is also disposed in the standby timing signal transmitting unit.
The invention has the following beneficial effects:
the received UTC standard time service signal is received from the outdoor to the indoor based on the ZigBee ad hoc network and/or the LoRa wireless communication module, and cables do not need to be arranged in the indoor, so that the arrangement is easy.
And different increment-V3 models are called based on different data transmission time difference values to realize automatic timing, so that the timing error of the system is reduced, and high-precision clock synchronization is realized.
The evaluation of the working condition of the ZigBee ad hoc network is realized based on the evaluation of the data transmission time difference, and the LoRa wireless communication module is configured for standby, so that the fault of the whole system caused by the fault of the ZigBee ad hoc network can be avoided as much as possible.
Drawings
Fig. 1 is a system block diagram of a wireless timing system based on zigbee communication and beidou dual-mode time service in embodiment 1 of the present invention.
Fig. 2 is a system block diagram of a wireless timing system based on zigbee communication and beidou dual-mode time service in embodiment 2 of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a wireless timing system based on zigbee communication and beidou dual-mode time service, including:
the time service signal receiving unit is arranged outdoors and is used for receiving UTC standard time service signals transmitted by a GPS satellite/Beidou satellite;
the timing signal transmitting unit is used for receiving the received UTC standard time service signal from the outdoor to the indoor through a ZigBee ad hoc network; the timing signal transmission unit is internally provided with a timing unit which is started when the timing signal transmission unit receives the UTC standard timing signal and is closed when the timing unit receives the UTC standard timing signal, and a corresponding time difference value is output, and meanwhile, the zero clearing operation of the timing unit is realized;
the timing unit is arranged indoors and used for receiving the UTC standard time service signal sent by the signal sending unit, calling a corresponding timing model based on the nearest classifier according to the time difference value and realizing the correction of the indoor clock time based on the received UTC standard time service signal, wherein the timing model adopts an increment-V3 model; the input item of the Inception-V3 model is a UTC standard time service signal, and the output item is a correction parameter of each clock;
and the central processing unit is used for coordinating the work of the modules.
Example 2
As shown in fig. 2, an embodiment of the present invention provides a wireless timing system based on zigbee communication and beidou dual-mode time service, including:
the time service signal receiving unit is arranged outdoors and is used for receiving UTC standard time service signals transmitted by a GPS satellite/Beidou satellite;
the timing signal transmitting unit is used for receiving the received UTC standard time service signal from the outdoor to the indoor through a ZigBee ad hoc network; the timing signal transmission unit is internally provided with a timing unit which is started when the timing signal transmission unit receives the UTC standard timing signal and is closed when the timing unit receives the UTC standard timing signal, and a corresponding time difference value is output, and meanwhile, the zero clearing operation of the timing unit is realized;
the timing unit is arranged indoors and used for receiving the UTC standard time service signal sent by the signal sending unit, calling a corresponding timing model based on the nearest classifier according to the time difference value and realizing the correction of the indoor clock time based on the received UTC standard time service signal, wherein the timing model adopts an increment-V3 model;
the time difference evaluation unit is used for realizing the evaluation of the time difference based on the support vector machine, and when the evaluation result falls into a preset threshold (at the moment, the ZigBee ad hoc network falls into a preset fault threshold), the early warning module is started, and the sending of the early warning short message is realized through a mode of automatically editing and sending the short message;
the standby timing signal transmitting unit is started when the time difference value evaluation result falls into a threshold (meanwhile, the ZigBee ad hoc network is automatically closed), and is used for receiving the received UTC standard timing signal from the outdoor to the indoor through the LoRa wireless communication module; a timing unit is also arranged in the standby timing signal transmitting unit;
and the central processing unit is used for coordinating the work of the modules.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The utility model provides a wireless timing system based on zigbee communication and big dipper bimodulus time service which characterized in that: the method comprises the following steps:
the time service signal receiving unit is arranged outdoors and is used for receiving UTC standard time service signals transmitted by a GPS satellite/Beidou satellite;
the timing signal transmitting unit is used for receiving the received UTC standard time service signal from the outdoor to the indoor through a ZigBee ad hoc network;
and the timing unit is arranged indoors and used for receiving the UTC standard time service signal sent by the signal sending unit and calling the corresponding timing model to realize the correction of the indoor clock time based on the received UTC standard time service signal.
2. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: the timing model adopts an inclusion-V3 model.
3. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: the timing signal transmission unit is internally provided with a timing unit which is started when the timing signal transmission unit receives the UTC standard timing signal and is closed when the timing unit receives the UTC standard timing signal, and a corresponding time difference value is output, and meanwhile, the zero clearing operation of the timing unit is realized.
4. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: and the time correction unit calls the corresponding time correction model according to the time difference.
5. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: and the time correction unit calls a corresponding time correction model based on the nearest classifier according to the time difference value.
6. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: the early warning system also comprises a time difference value evaluation unit which is used for realizing the evaluation of the time difference value based on the support vector machine, and when the evaluation result falls into a preset threshold, the early warning module is started.
7. The wireless timing system based on zigbee communication and big dipper dual-mode time service as claimed in claim 1, wherein: the standby time correction signal transmitting unit is started when the time difference value evaluation result falls into a threshold, and is used for receiving the received UTC standard time service signal from the outdoor to the indoor through the LoRa wireless communication module; a timing unit is also disposed in the standby timing signal transmitting unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010295268.8A CN111273540B (en) | 2020-04-15 | 2020-04-15 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010295268.8A CN111273540B (en) | 2020-04-15 | 2020-04-15 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111273540A true CN111273540A (en) | 2020-06-12 |
CN111273540B CN111273540B (en) | 2022-06-28 |
Family
ID=70998305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010295268.8A Active CN111273540B (en) | 2020-04-15 | 2020-04-15 | Wireless timing system based on zigbee communication and Beidou dual-mode time service |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111273540B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113568300A (en) * | 2021-09-22 | 2021-10-29 | 深圳心派科技有限公司 | GPS time service method, device, electronic equipment and storage medium |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003204958A1 (en) * | 1998-03-16 | 2003-11-27 | Sli Systems Inc. | Improved Search Engine |
CN101039115A (en) * | 2007-03-12 | 2007-09-19 | 启攀微电子(上海)有限公司 | High precision capacitance touching induction control circuit framework |
CN101153817A (en) * | 2006-09-26 | 2008-04-02 | 中国科学院声学研究所 | Hydrophone test approach for ocean sound field phase velocity |
CN101276232A (en) * | 2007-03-27 | 2008-10-01 | 联发科技股份有限公司 | Real-time clock correction methods and apparatus |
CN201673377U (en) * | 2010-05-21 | 2010-12-15 | 深圳市飞亚达科技发展有限公司 | Wireless timing system based on GPS/Beidou dual-mode time service |
CN102394000A (en) * | 2011-10-18 | 2012-03-28 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
CN102722099A (en) * | 2012-06-13 | 2012-10-10 | 东莞市洲进钟表有限公司 | Clock correction system with error computing function and correction method |
CN203480243U (en) * | 2013-09-25 | 2014-03-12 | 河源职业技术学院 | Wireless synchronous electronic clock system |
US20150177702A1 (en) * | 2015-01-20 | 2015-06-25 | Aidan Kehoe | Device and method to show recipient's local time with real-time communication |
CN107341462A (en) * | 2017-06-28 | 2017-11-10 | 电子科技大学 | A kind of video classification methods based on notice mechanism |
CN107544236A (en) * | 2017-08-31 | 2018-01-05 | 江苏中普科技有限公司 | Without clock birth moment tape deck |
-
2020
- 2020-04-15 CN CN202010295268.8A patent/CN111273540B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003204958A1 (en) * | 1998-03-16 | 2003-11-27 | Sli Systems Inc. | Improved Search Engine |
CN101153817A (en) * | 2006-09-26 | 2008-04-02 | 中国科学院声学研究所 | Hydrophone test approach for ocean sound field phase velocity |
CN101039115A (en) * | 2007-03-12 | 2007-09-19 | 启攀微电子(上海)有限公司 | High precision capacitance touching induction control circuit framework |
CN101276232A (en) * | 2007-03-27 | 2008-10-01 | 联发科技股份有限公司 | Real-time clock correction methods and apparatus |
CN201673377U (en) * | 2010-05-21 | 2010-12-15 | 深圳市飞亚达科技发展有限公司 | Wireless timing system based on GPS/Beidou dual-mode time service |
CN102394000A (en) * | 2011-10-18 | 2012-03-28 | 中国电力科学研究院 | Energy efficiency data concentration terminal |
CN102722099A (en) * | 2012-06-13 | 2012-10-10 | 东莞市洲进钟表有限公司 | Clock correction system with error computing function and correction method |
CN203480243U (en) * | 2013-09-25 | 2014-03-12 | 河源职业技术学院 | Wireless synchronous electronic clock system |
US20150177702A1 (en) * | 2015-01-20 | 2015-06-25 | Aidan Kehoe | Device and method to show recipient's local time with real-time communication |
CN107341462A (en) * | 2017-06-28 | 2017-11-10 | 电子科技大学 | A kind of video classification methods based on notice mechanism |
CN107544236A (en) * | 2017-08-31 | 2018-01-05 | 江苏中普科技有限公司 | Without clock birth moment tape deck |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113568300A (en) * | 2021-09-22 | 2021-10-29 | 深圳心派科技有限公司 | GPS time service method, device, electronic equipment and storage medium |
Also Published As
Publication number | Publication date |
---|---|
CN111273540B (en) | 2022-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101448314B (en) | Method for realizing time synchronization between base stations as well as system and communication terminal therefor | |
CN111431582B (en) | Beidou short message communication system based on low earth orbit satellite and communication method thereof | |
CN105282698B (en) | Method and system for acquiring GPS signal | |
CN101488803A (en) | Satellite time clock synchronization method, system and base station | |
US20200169345A1 (en) | Methods and devices for synchronization in communication networks | |
CN104469831B (en) | Fault detection method and device are shunk in the network coverage | |
CN111273540B (en) | Wireless timing system based on zigbee communication and Beidou dual-mode time service | |
CN111510196B (en) | Space-based search and rescue system based on Lora technology | |
CN102457372A (en) | Communication system and method for transmitting clock signals by using optical fiber | |
CN114845235A (en) | Information processing method and device, terminal and network side equipment | |
CN112672273A (en) | Positioning system and method for indoor and outdoor switching | |
CN107247277B (en) | GPS/Beidou dual-mode data splitter, splitting control system and splitting control method | |
CN105357654A (en) | Beidou-based emergency communication service system and working method thereof | |
CN112055407B (en) | Synchronous time service method and device for 5G small cell | |
CN110808846B (en) | Communication method and device with complementary advantages of multi-master communication technology | |
CN201298921Y (en) | Time service device, base station clock device and base station time service system | |
US11057957B2 (en) | Systems and methods for joint wireless transmission and joint wireless reception | |
CN111092649B (en) | Single big dipper location fairway buoy based on global low orbit satellite communication | |
EP2713527A2 (en) | Base station device and signal transmission method thereof | |
CN113466911A (en) | Beidou high-precision monitoring system and monitoring method | |
CN111601330A (en) | Wireless relay transmission method and equipment based on geographic position | |
CN203982090U (en) | A kind of Big Dipper wrist-watch | |
CN112564839B (en) | Time synchronization method, terminal and storage medium | |
CN216852377U (en) | Subminiature LTE base station platform equipment | |
CN216357328U (en) | Networking system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |