CN109874167A - A kind of studio broadcast formula method for synchronizing time based on Beidou time service - Google Patents
A kind of studio broadcast formula method for synchronizing time based on Beidou time service Download PDFInfo
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- CN109874167A CN109874167A CN201910141542.3A CN201910141542A CN109874167A CN 109874167 A CN109874167 A CN 109874167A CN 201910141542 A CN201910141542 A CN 201910141542A CN 109874167 A CN109874167 A CN 109874167A
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- time
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- time synchronization
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- synchronization
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Abstract
The invention discloses a kind of studio broadcast formula method for synchronizing time based on Beidou time service, including time synchronization host, time synchronization message receiving module M and smart machine, the studio broadcast formula method for synchronizing time of the Beidou time service, specifically includes the following steps: S1, time synchronization host and time synchronization message receiving module M can be installed on corresponding position first, then it is connected by RS232, RS-485 or CAN software and hardware agreement smart machine synchronous with Perfect Time is needed, the present invention relates to intelligent Service of Timing fields.The studio broadcast formula method for synchronizing time based on Beidou time service, it can be achieved to pass through Beidou Service of Timing and LORA communication network technology, solve the problems, such as the precise synchronization of smart machine, its precision can achieve Millisecond, a kind of good method is provided for the time synchronization of all kinds of smart machines currently without networking, has achieved the purpose that the intelligent apparatus that can not connect internet to interior carries out exact time synchronization.
Description
Technical field
The present invention relates to intelligent Service of Timing field, specially a kind of studio broadcast formula time synchronization based on Beidou time service
Method.
Background technique
With the continuous reinforcement of the operational capability of computer chip, robot, artificial intelligence, Internet of Things, cloud platform and work
Industry internet it is universal, edge calculations and distributed treatment will also come various industries are widely available, as artificial intelligence, side
Edge calculates and a key core of distributed treatment, and the demand to intelligent apparatus Perfect Time also will be increasingly by weight
Depending on for being largely mounted on for indoor intelligent apparatus, when network can only substantially be leaned on by obtaining the source of Perfect Time at present
Between sync server, this method, it is necessary to establish on the basis that intelligent apparatus can connect internet, in fact, largely
Intelligent apparatus for safety or application necessity the considerations of, be not connected to internet, and can not pass through each other
The mutual networking of Internet technology (as externally there was only RS485, the wired communication interfaces such as CAN), these are unable to the intelligent apparatus of networking,
If needing Perfect Time, it must just seek other methods and be obtained.
In fact, in the Time Synchronizing based on network time synchronization server technology largely used at present, due to
Based on TCP/IP packet-switch technology, synchronization time, the delay on network can not be precisely controlled, and need high-precision (such as certain
Time synchronization error is in Millisecond, nanosecond) place is unable to satisfy application demand, Beidou time service skill how is made good use of as a result,
Art to be mounted on the various devices of Indoor environment, to carry out Perfect Time synchronization be exactly problem to be solved by this invention to equipment.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of studio broadcast formula time synchronization side based on Beidou time service
Method, solving delay of the existing synchronization time on network can not be precisely controlled, and need time synchronization error in millisecond certain
The problem of high-precision place is unable to satisfy application demand in grade and nanosecond.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of interior based on Beidou time service
Broadcast type method for synchronizing time, including time synchronization host, time synchronization message receiving module M and smart machine, the Beidou
The studio broadcast formula method for synchronizing time of time service, specifically includes the following steps:
S1, time synchronization host and time synchronization message receiving module M can be installed on corresponding position first, then led to
RS232, RS-485 or CAN software and hardware agreement smart machine synchronous with Perfect Time is needed is crossed to be connected；
S2, later can artificial setting time master synchronization broadcast type sending time sync message time interval, wireless pass
Defeated centre frequency and baud rate；
S3, time synchronization host can be acquired the Beidou time service time, recycle and are based on LORA wireless communication technique,
The collected Beidou time service time, be sent to by broadcast type mode be installed on in time synchronization host the same area or building
Time synchronization message receiving module M；
S4, then time synchronization message receiving module M actively passes through RS232, RS-485 or CAN software and hardware protocol propelling and arrives
In the smart machine for needing Perfect Time synchronous；
S5, the smart machine immediately treat after receiving time synchronization message, and add delay deviation, and smart machine is written
Internal clocking chip, so far, achievable one complete time synchronization process.
Preferably, the time synchronization host be respectively by beidou timing module, MCU single-chip microcontroller, LORA communication module and
Open antenna composition.
Preferably, the time synchronization host can acquire Beidou time service time signal in real time, and formed time message according to
The artificial setting time interval step S2, wireless transmission centre frequency and baud rate push out.
Preferably, the setting of the time synchronization host transmission power can covered according to setting under site requirement
Low transmitting power time synchronization host can be used in the time synchronization host of affiliated area.
Preferably, the time synchronization message receiving module M wireless transmission centre frequency and baud rate setting and when
Between master synchronization be consistent, and can only receiving time sync message, and cannot externally transmit information, it can be ensured that can correctly connect
Time of receipt (T of R) sync message.
Preferably, the quantity of the time synchronization message receiving module M is n, and time synchronization message receiving module M
The region that quantity can be covered according to time synchronization host is set.
Preferably, RS232, RS-485 or CAN communication of the time synchronization message receiving module M and smart machine interconnection
Circuit setting is consistent, and smart machine can only receiving time sync message, and cannot to time synchronization message module transmit
Data.
Preferably, delay deviation is equal to T1+T2+T3 in the step S5, and smart machine receives message synchronization time
When, delay deviation is added immediately, smart machine internal time chip can be written in the orthochronous for obtaining correction.
Preferably, the length of time of the T1 depends on inside time synchronization host, fixed value when dispatching from the factory for equipment, and
The time air transmission baud rate of T2, for time synchronization message receiving module M factory when computational chart and formula, the T3 when
Between length depend on smart machine inside, smart machine dispatch from the factory when reference calculation formula and relevant parameter.
Preferably, in the entire time synchronization process of the step S1-S5, the delay of links is controllable, and
On the basis of the calculating speed of all kinds of smart machine internal core chips and reaction time are protected, all intelligence in whole system
Equipment time synchronization error is can be controlled in millisecond.
(3) beneficial effect
The present invention provides a kind of studio broadcast formula method for synchronizing time based on Beidou time service.Have compared with prior art
It is standby following the utility model has the advantages that should studio broadcast formula method for synchronizing time based on Beidou time service, including time synchronization host, time it is same
Step message receiving module M and smart machine, the studio broadcast formula method for synchronizing time of Beidou time service, specifically includes the following steps:
S1, time synchronization host and time synchronization message receiving module M can be installed on corresponding position first, then by RS232,
RS-485 the or CAN software and hardware agreement smart machine synchronous with Perfect Time is needed is connected, S2, later can artificial setting time it is same
Walk the time interval, wireless transmission centre frequency and baud rate of host broadcast formula sending time sync message, S3, time synchronization master
Machine can be acquired the Beidou time service time, recycle and be based on LORA wireless communication technique, the collected Beidou time service time,
It is sent to be installed on by broadcast type mode and receives mould with the time synchronization message in time synchronization host the same area or building
Block M, S4, then time synchronization message receiving module M actively passes through RS232, RS-485 or CAN software and hardware protocol propelling to needs
In the synchronous smart machine of Perfect Time, S5, the smart machine immediately treat after receiving time synchronization message, and plus delay
Smart machine internal clocking chip is written in deviation, and so far, achievable one complete time synchronization process is, it can be achieved that pass through north
The Service of Timing that struggles against and LORA communication network technology, solve the problems, such as the precise synchronization of smart machine, precision can achieve
Millisecond provides a kind of good method for the time synchronization of all kinds of smart machines currently without networking, has reached to room
The interior intelligent apparatus that can not connect internet carries out the purpose of exact time synchronization, has pole in cost and on the convenience of implementation
Big advantage.It is same that artificial intelligence, robot, industrial production line, safety hazard analysis, monitor video time can be widely used in
Step, equipment novel maintenance, diagnosis of equipment, wisdom family, intelligence community and wisdom garden scene, thus well
Meet in certain application demands for needing time synchronization error high-precision place in Millisecond and nanosecond.
Detailed description of the invention
Fig. 1 is time synchronization topology schematic diagram of the present invention；
Fig. 2 is to broadcast flow chart synchronization time of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of technical solution referring to FIG. 1-2: a kind of studio broadcast formula based on Beidou time service
Method for synchronizing time, including time synchronization host, time synchronization message receiving module M and smart machine, the Beidou time service
Studio broadcast formula method for synchronizing time, specifically includes the following steps:
S1, time synchronization host and time synchronization message receiving module M can be installed on corresponding position first, then led to
RS232, RS-485 or CAN software and hardware agreement smart machine synchronous with Perfect Time is needed is crossed to be connected；
S2, later can artificial setting time master synchronization broadcast type sending time sync message time interval, wireless pass
Defeated centre frequency and baud rate；
S3, time synchronization host can be acquired the Beidou time service time, recycle and are based on LORA wireless communication technique,
The collected Beidou time service time, be sent to by broadcast type mode be installed on in time synchronization host the same area or building
Time synchronization message receiving module M；
S4, then time synchronization message receiving module M actively passes through RS232, RS-485 or CAN software and hardware protocol propelling and arrives
In the smart machine for needing Perfect Time synchronous；
S5, the smart machine immediately treat after receiving time synchronization message, and add delay deviation, and smart machine is written
Internal clocking chip, so far, achievable one complete time synchronization process.
In the present invention, time synchronization host is by beidou timing module, MCU single-chip microcontroller, LORA communication module and family respectively
Outside antenna composition, LORA wireless communication technique is a kind of remote wireless transmission technology based on spread spectrum, and LORA is physics
For establishing long-distance communication links, the single gateway of LORA or base station can cover entire city or hundreds of for layer or wireless-modulated
Square kilometre range, a given position, distance depends greatly on environment or barrier.
In the present invention, time synchronization host can acquire Beidou time service time signal in real time, and form time message according to step
The rapid artificial setting time interval S2, wireless transmission centre frequency and baud rate push out.
In the present invention, the setting of time synchronization host transmission power can cover institute according to setting under site requirement
The time synchronization host for belonging to region, can be used low transmitting power time synchronization host.
In the present invention, the setting of the wireless transmission centre frequency and baud rate of time synchronization message receiving module M is and the time
Master synchronization is consistent, and can only receiving time sync message, and cannot externally transmit information, it can be ensured that can be properly received
To time sync message.
In the present invention, the quantity of time synchronization message receiving module M is n, and the number of time synchronization message receiving module M
The region that measuring can be covered according to time synchronization host is set.
In the present invention, RS232, RS-485 or CAN communication line of time synchronization message receiving module M and smart machine interconnection
Road setting be consistent, and smart machine can only receiving time sync message, and cannot to time synchronization message module transmit number
According to.
In the present invention, delay deviation is equal to T1+T2+T3 in step S5, and when smart machine receives message synchronization time,
Delay deviation is added immediately, smart machine internal time chip can be written in the orthochronous for obtaining correction.
In the present invention, the length of time of T1 is depended on inside time synchronization host, fixed value when dispatching from the factory for equipment, and T2
Time air transmission baud rate, for time synchronization message receiving module M factory when computational chart and formula, the time of the T3
Length depends on inside smart machine, reference calculation formula and relevant parameter when smart machine dispatches from the factory.
In the present invention, in the entire time synchronization process of step S1-S5, the delay of links is controllable, and each
On the basis of the calculating speed of class smart machine internal core chip and reaction time are protected, all intelligence are set in whole system
Standby time synchronization error is can be controlled in millisecond.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of studio broadcast formula method for synchronizing time based on Beidou time service, it is characterised in that: including time synchronization host, when
Between sync message receiving module M and smart machine, the studio broadcast formula method for synchronizing time of the Beidou time service, specifically include with
Lower step:
S1, time synchronization host and time synchronization message receiving module M can be installed on corresponding position first, then passed through
RS232, RS-485 or CAN software and hardware agreement smart machine synchronous with Perfect Time is needed are connected；
S2, later can the time interval of artificial setting time master synchronization broadcast type sending time sync message, in wireless transmission
Frequency of heart and baud rate；
S3, time synchronization host can be acquired the Beidou time service time, recycle and are based on LORA wireless communication technique, acquisition
The Beidou time service time arrived, be sent to by broadcast type mode be installed on in time synchronization host the same area or building when
Between sync message receiving module M；
S4, then time synchronization message receiving module M actively passes through RS232, RS-485 or CAN software and hardware protocol propelling to needs
In the synchronous smart machine of Perfect Time；
S5, the smart machine immediately treat after receiving time synchronization message, and add delay deviation, are written inside smart machine
Clock chip, so far, achievable one complete time synchronization process.
2. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
The time synchronization host is made of beidou timing module, MCU single-chip microcontroller, LORA communication module and open antenna respectively.
3. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
The time synchronization host can acquire Beidou time service time signal in real time, and when forming time message and manually setting according to step S2
Between interval, wireless transmission centre frequency and baud rate push out.
4. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
The setting of the time synchronization host transmission power can be same in the time that can cover affiliated area according to setting under site requirement
Host is walked, low transmitting power time synchronization host can be used.
5. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
Wireless transmission centre frequency and the baud rate setting of the time synchronization message receiving module M keeps one with time synchronization host
Cause, and can only receiving time sync message, and cannot externally transmit information, it can be ensured that time synchronization report can be had correctly received
Text.
6. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
The quantity of the time synchronization message receiving module M is n, and the quantity of time synchronization message receiving module M can be according to the time
The region that master synchronization is covered is set.
7. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
RS232, RS-485 or CAN communication circuit setting of the time synchronization message receiving module M and smart machine interconnection keep one
Cause, and smart machine can only receiving time sync message, and cannot to time synchronization message module transmit data.
8. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, it is characterised in that:
Delay deviation is equal to T1+T2+T3 in the step S5, and when smart machine receives message synchronization time, immediately plus delay
Smart machine internal time chip can be written in the orthochronous for obtaining correction by deviation.
9. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 8, it is characterised in that:
The length of time of the T1 depends on inside time synchronization host, fixed value when dispatching from the factory for equipment, and the time of T2 passes in the air
The length of time of defeated baud rate, computational chart and formula when dispatching from the factory for time synchronization message receiving module M, the T3 depends on intelligence
Reference calculation formula and relevant parameter inside energy equipment, when smart machine dispatches from the factory.
10. a kind of studio broadcast formula method for synchronizing time based on Beidou time service according to claim 1, feature exist
In: in the entire time synchronization process of the step S1-S5, the delay of links is controllable, and in all kinds of smart machines
On the basis of the calculating speed of internal core chip and reaction time are protected, all smart machine time synchronizations in whole system
Error is can be controlled in millisecond.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412424A (en) * | 2019-08-05 | 2019-11-05 | 国家电网有限公司 | Portable route intelligent monitor based on Beidou Service of Timing |
| CN111007353A (en) * | 2019-11-21 | 2020-04-14 | 国家电网有限公司 | Fault detection method based on combination of Beidou time service and power distribution network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472723A (en) * | 2014-09-30 | 2016-04-06 | 商升特公司 | Synchronization apparatus and method |
| CN105988364A (en) * | 2015-02-15 | 2016-10-05 | 山东省北极星时间测量工程技术研究中心 | Point-to-point indoor clock timing method and indoor clock timing system |
| EP3208946A1 (en) * | 2015-03-03 | 2017-08-23 | Semtech Corporation | Communication device and method in the cellular band |
| US20180310272A1 (en) * | 2017-03-16 | 2018-10-25 | Lonprox Corporation | Systems and methods for indoor positioning using wireless positioning nodes |
| CN109347588A (en) * | 2018-09-21 | 2019-02-15 | 清华四川能源互联网研究院 | A kind of wide-area distribution type system clock synchronizing device and method based on LoRa |
-
2019
- 2019-02-26 CN CN201910141542.3A patent/CN109874167A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472723A (en) * | 2014-09-30 | 2016-04-06 | 商升特公司 | Synchronization apparatus and method |
| CN105988364A (en) * | 2015-02-15 | 2016-10-05 | 山东省北极星时间测量工程技术研究中心 | Point-to-point indoor clock timing method and indoor clock timing system |
| EP3208946A1 (en) * | 2015-03-03 | 2017-08-23 | Semtech Corporation | Communication device and method in the cellular band |
| US20180310272A1 (en) * | 2017-03-16 | 2018-10-25 | Lonprox Corporation | Systems and methods for indoor positioning using wireless positioning nodes |
| CN109347588A (en) * | 2018-09-21 | 2019-02-15 | 清华四川能源互联网研究院 | A kind of wide-area distribution type system clock synchronizing device and method based on LoRa |
Non-Patent Citations (2)
| Title |
|---|
| 余少波等: "MiWind物联网技术与LoRa技术的对比", 《中国有线电视》 * |
| 沙海等: "基于IGSO卫星的多普勒定位单向授时方法研究", 《国防科技大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412424A (en) * | 2019-08-05 | 2019-11-05 | 国家电网有限公司 | Portable route intelligent monitor based on Beidou Service of Timing |
| CN111007353A (en) * | 2019-11-21 | 2020-04-14 | 国家电网有限公司 | Fault detection method based on combination of Beidou time service and power distribution network |
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Application publication date: 20190611 |