CN103235500A - Satellite time service method and timing device based on beidou - Google Patents
Satellite time service method and timing device based on beidou Download PDFInfo
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- CN103235500A CN103235500A CN2013101900741A CN201310190074A CN103235500A CN 103235500 A CN103235500 A CN 103235500A CN 2013101900741 A CN2013101900741 A CN 2013101900741A CN 201310190074 A CN201310190074 A CN 201310190074A CN 103235500 A CN103235500 A CN 103235500A
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Abstract
The invention relates to the technical field of satellite time service, and in particular relates to a satellite time service method and a timing device based on beidou. The satellite time service method based on beidou comprises the following steps of: pre-setting a beidou time service period, wherein the beidou time service period comprises a dormancy time period and a beidou time service time period; in the beidou time service time period, receiving a time service signal sent by a beidou satellite, extracting time service information from the time service signal, and adjusting the current time according to the time service information; and in the dormancy time period, performing time traveling by using a local clock pulse. The timing device based on the beidou comprises a controller, a beidou receiver, a time traveling device and an oscillation circuit. By the satellite time service method and the timing device based on the beidou, due to the periodic time service of the beidou satellite, the power consumption is reduced; and furthermore, the time service executed by a beidou satellite system which is auto-researched in China is high in safety reliability.
Description
Technical field
The present invention relates to the Service of Timing by Satellite field, in particular to a kind of satellite timing method based on the Big Dipper and time set.
Background technology
In the correlation technique, have multiple in order to timing and the electronic time unit of demonstration time, for example accutron, electronic clock etc.
Usually, electronic time unit inside is provided with oscillatory circuit as the local clock of electronic time unit.Wherein produce in the process of local clock pulse in the oscillatory circuit vibration, because the instability of oscillatory circuit can make the local clock pulse of generation produce certain error, because the accumulation of error can cause electronic time unit to produce timing error.
For reducing error, generally adopt the mode of gps satellite time service in the correlation technique, obtain universal time, by universal time the time of current demonstration is adjusted the synchronous of the time that reaches and universal time.But because the time service that the gps satellite time set utilizes the gps satellite system to carry out is real-time time service, power consumption is bigger, and the satellite system of gps satellite system for abroad having, and its safe reliability is poor.
Summary of the invention
The object of the present invention is to provide satellite timing method and time set based on the Big Dipper, to solve the above problems.
A kind of satellite timing method based on the Big Dipper is provided in an embodiment of the present invention, has comprised:
Set in advance the Big Dipper time service cycle, the described Big Dipper time service cycle comprises dormancy time section and Big Dipper time service time period;
In the described Big Dipper time service time period, receive the time signal that big-dipper satellite sends, extract the time service information in the described time signal, adjust the current time according to described time service information;
In described dormancy time section, when utilizing local clock pulse to walk.
A kind of time set based on the Big Dipper comprises: controller, Big Dipper receiver, traveltime apparatus and oscillatory circuit;
Described controller is used for setting in advance the Big Dipper time service cycle, and the described Big Dipper time service cycle comprises dormancy time section and Big Dipper time service time period;
Described Big Dipper receiver was used for receiving the time signal that big-dipper satellite sends in the described Big Dipper time service time period, extracted the time service information in the described time signal;
Described traveltime apparatus is used for adjusting the current time according to described time service information; Also be used in described dormancy time section, when the local clock pulse that utilizes described oscillatory circuit to produce is walked.
Satellite timing method and the time set based on the Big Dipper of the above embodiment of the present invention at first are provided with the Big Dipper time service cycle in the time service method of the embodiment of the invention, comprise dormancy time section and Big Dipper time service time period in the Big Dipper time service cycle that arranges.Carry out the periodicity time service according to the Big Dipper time service cycle that arranges in the embodiment of the invention, wherein in the Big Dipper time service time period, adjust the current time according to the time service information that from the time signal of big-dipper satellite, obtains, when in the dormancy time section, utilizing local clock pulse to walk.Compare with utilizing the real-time time service method of gps satellite in the correlation technique, utilize periodically time service of big-dipper satellite in the embodiment of the invention, reduce power consumption, and utilize the big-dipper satellite system of China's independent research to carry out time service safe reliability height.
Further, the embodiment of the invention also provides a kind of time set, because adopted the periodically method of time service of big-dipper satellite in this time set, compare with the gps satellite time set that utilizes the real-time time service of gps satellite in the correlation technique, low in energy consumption, and utilize the big-dipper satellite time service safe reliability height of China's independent research.
Description of drawings
Fig. 1 shows the embodiment of the invention based on the process flow diagram of the satellite timing method of the Big Dipper;
Fig. 2 shows the structural representation of the invention process time set.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
The embodiment of the invention provides a kind of satellite timing method based on the Big Dipper, and as shown in Figure 1, main treatment step comprises:
Step S11: set in advance the Big Dipper time service cycle, the described Big Dipper time service cycle comprises dormancy time section and Big Dipper time service time period;
Step S12: in the described Big Dipper time service time period, receive the time signal that big-dipper satellite sends, extract the time service information in the described time signal, adjust the current time according to described time service information;
Step S13: in described dormancy time section, when utilizing local clock pulse to walk.
Carry out the periodicity time service according to the Big Dipper time service cycle that arranges in the embodiment of the invention, wherein in the Big Dipper time service time period, adjust the current time according to the time service information that from the time signal of big-dipper satellite, obtains, when in the dormancy time section, utilizing local clock pulse to walk.Compare with utilizing the real-time time service method of gps satellite in the correlation technique, utilize periodically time service of big-dipper satellite in the embodiment of the invention, reduce power consumption, and utilize the big-dipper satellite system of China's independent research to carry out time service safe reliability height.
Particularly, in the Big Dipper time service time period, the time signal that the big-dipper satellite that receives sends is the Big Dipper two generations B1 frequency time signal, utilizes the Big Dipper two generations B1 frequency time signal to carry out feasibility and the compatibility that time service is conducive to the technology of Big Dipper time service, and is beneficial to the accuracy of time service.
Further, in the Big Dipper time service time period, adjust the current time according to time service information in, also calculate the oscillation error of local clock pulse according to time service information, utilize oscillation error to compensating oscillation period of local clock pulse correction.
In the embodiment of the invention to carrying out the periodicity compensation correction oscillation period of local clock pulse, can reduce because the oscillating impulse error that the instability of oscillatory circuit produces, make the oscillation period of local clock and the standard of universal time keep guaranteeing precision, accuracy when the dormancy time section utilizes local clock pulse to walk synchronously oscillation period.
In the embodiment of the invention, also provide a kind of time set, as shown in Figure 2, comprising: controller 22, Big Dipper receiver 21, traveltime apparatus 23 and oscillatory circuit 24;
Big Dipper receiver 21 was used for receiving the time signal that big-dipper satellite sends in the described Big Dipper time service time period, extracted the time service information in the described time signal;
Particularly, described Big Dipper receiver 21 comprises: Big Dipper antenna and Big Dipper chip module; Described Big Dipper antenna is used in the described Big Dipper time service time period, receives the time signal that big-dipper satellite sends; Described Big Dipper chip module is for the time service information that extracts described time signal.
Further, described Big Dipper antenna is made up of ceramic micro strip and low noise amplifier, can receive the time signal that big-dipper satellite sends by ceramic micro strip, can carry out filtering to time signal, amplify and handle by low noise amplifier, and possess high-sensitive dynamic range, the radiofrequency signal of Big Dipper chip module processing requirements is satisfied in output.
In addition, the time set of the embodiment of the invention can also comprise: be used for gathering the height sensor of altitude information, can record the altitude information of time set position by height sensor.
The time set of the embodiment of the invention can also comprise the temperature sensor for the collecting temperature data, can gather the temperature data of time set position by temperature sensor.
The time set of the embodiment of the invention can also comprise for the direction sensor of gathering directional data, can gather directional data by direction sensor, and then realizes the function of direction indication.
In addition, the time set of the embodiment of the invention also comprises: the LCDs that is used for the data of demonstration sensor collection; Described LCDs is connected with controller 22.
Can show the data that each sensor of arranging on the time set is gathered intuitively by LCDs, be convenient to check.
In addition, the traveltime apparatus 23 in the time set of the embodiment of the invention can be the LCDs traveltime apparatus, can check the current time intuitively by the LCDs traveltime apparatus.
And the traveltime apparatus in the time set of the embodiment of the invention 23 can also be the pointer traveltime apparatus, can utilize the mode of pointer indication to show the current time by the pointer traveltime apparatus.
Preferably, LCDs traveltime apparatus and pointer traveltime apparatus are set simultaneously in the time set of the embodiment of the invention.
LCDs traveltime apparatus and pointer traveltime apparatus are set simultaneously can satisfy the different custom of checking the current time of user, and after if a kind of traveltime apparatus wherein breaks down, can also utilize another kind of traveltime apparatus to show the current time.
The time set of the embodiment of the invention can be made for electronic time units such as wrist-watch, electronic clock, and the time service method of the embodiment of the invention and adopt the embodiment of the invention time service method time service device can for military and civilianly provide accurately, time reliably.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and be carried out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the satellite timing method based on the Big Dipper is characterized in that, comprising:
Set in advance the Big Dipper time service cycle, the described Big Dipper time service cycle comprises dormancy time section and Big Dipper time service time period;
In the described Big Dipper time service time period, receive the time signal that big-dipper satellite sends, extract the time service information in the described time signal, adjust the current time according to described time service information;
In described dormancy time section, when utilizing local clock pulse to walk.
2. method according to claim 1 is characterized in that, and is described when adjusting the current time according to described time service information, also comprises:
Calculate the oscillation error of local clock pulse according to described time service information, utilize described oscillation error to compensating oscillation period of described local clock pulse correction.
3. method according to claim 1 is characterized in that, described time signal is the Big Dipper two generations B1 frequency time signal.
4. the time set based on the Big Dipper is characterized in that, comprising: controller, Big Dipper receiver, traveltime apparatus and oscillatory circuit;
Described controller is used for setting in advance the Big Dipper time service cycle, and the described Big Dipper time service cycle comprises dormancy time section and Big Dipper time service time period;
Described Big Dipper receiver was used for receiving the time signal that big-dipper satellite sends in the described Big Dipper time service time period, extracted the time service information in the described time signal;
Described traveltime apparatus is used for adjusting the current time according to described time service information; Also be used in described dormancy time section, when the local clock pulse that utilizes described oscillatory circuit to produce is walked.
5. time set according to claim 4 is characterized in that, described Big Dipper receiver comprises: Big Dipper antenna and Big Dipper chip module;
Described Big Dipper antenna is used in the described Big Dipper time service time period, receives the time signal that big-dipper satellite sends;
Described Big Dipper chip module is for the time service information that extracts described time signal.
6. time set according to claim 5 is characterized in that, described Big Dipper antenna is made up of ceramic micro strip and low noise amplifier.
7. time set according to claim 4 is characterized in that, also comprises: the height sensor that is used for gathering altitude information;
And/or,
Also comprise: the temperature sensor that is used for the collecting temperature data.
8. time set according to claim 7 is characterized in that, also comprises: the LCDs that is used for the data of demonstration sensor collection;
Described LCDs is connected with described controller.
9. time set according to claim 4 is characterized in that, described traveltime apparatus is the LCDs traveltime apparatus.
10. time set according to claim 4 is characterized in that, described traveltime apparatus is the pointer traveltime apparatus.
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| CN2013101900741A CN103235500A (en) | 2013-05-21 | 2013-05-21 | Satellite time service method and timing device based on beidou |
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| CN2013101900741A CN103235500A (en) | 2013-05-21 | 2013-05-21 | Satellite time service method and timing device based on beidou |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511257A (en) * | 2015-12-30 | 2016-04-20 | 柳州天运寰通科技有限公司 | Beidou disciplined time service method and Beidou automatic time service watch |
| CN105785119A (en) * | 2016-04-26 | 2016-07-20 | 国网冀北电力有限公司电力科学研究院 | Intelligent electric energy meter and method of utilizing Beidou satellite time service system to calibrate time automatically |
| CN109001972A (en) * | 2018-08-13 | 2018-12-14 | 中国科学院国家授时中心 | A kind of Beidou wide area time dissemination system and method |
| CN109542007A (en) * | 2018-11-28 | 2019-03-29 | 河北旗馨节能环保科技有限公司 | Double mode time-controlling arrangement and duration control method |
| CN110187631A (en) * | 2019-06-25 | 2019-08-30 | 北京临近空间飞行器系统工程研究所 | Time alignment method and system for a control system |
| CN112034697A (en) * | 2020-07-17 | 2020-12-04 | 中国科学院空天信息创新研究院 | A High-Precision RDSS Timing Method |
| CN117826569A (en) * | 2023-12-25 | 2024-04-05 | 广东今程光一电力科技有限责任公司 | Automatic Beidou time-setting clock device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105511257A (en) * | 2015-12-30 | 2016-04-20 | 柳州天运寰通科技有限公司 | Beidou disciplined time service method and Beidou automatic time service watch |
| CN105785119A (en) * | 2016-04-26 | 2016-07-20 | 国网冀北电力有限公司电力科学研究院 | Intelligent electric energy meter and method of utilizing Beidou satellite time service system to calibrate time automatically |
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| CN109001972B (en) * | 2018-08-13 | 2020-06-12 | 中国科学院国家授时中心 | Beidou wide-area time service system and method |
| CN109542007A (en) * | 2018-11-28 | 2019-03-29 | 河北旗馨节能环保科技有限公司 | Double mode time-controlling arrangement and duration control method |
| CN110187631A (en) * | 2019-06-25 | 2019-08-30 | 北京临近空间飞行器系统工程研究所 | Time alignment method and system for a control system |
| CN112034697A (en) * | 2020-07-17 | 2020-12-04 | 中国科学院空天信息创新研究院 | A High-Precision RDSS Timing Method |
| CN112034697B (en) * | 2020-07-17 | 2022-06-10 | 中国科学院空天信息创新研究院 | High-precision RDSS time service method |
| CN117826569A (en) * | 2023-12-25 | 2024-04-05 | 广东今程光一电力科技有限责任公司 | Automatic Beidou time-setting clock device |
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Application publication date: 20130807 |