CN110891307A - Time synchronization system based on wireless network bearing - Google Patents
Time synchronization system based on wireless network bearing Download PDFInfo
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- CN110891307A CN110891307A CN201911391822.6A CN201911391822A CN110891307A CN 110891307 A CN110891307 A CN 110891307A CN 201911391822 A CN201911391822 A CN 201911391822A CN 110891307 A CN110891307 A CN 110891307A
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- node
- slave
- wireless module
- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0644—External master-clock
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electric Clocks (AREA)
Abstract
A time synchronization system based on wireless network bearing comprises a main node and N slave nodes, wherein the main node is provided with a main node processor, a main node wireless module and a main node clock module, and the main node processor is respectively connected with the main node wireless module and the main node clock module; each slave node is provided with a slave node processor, a slave node wireless module and a slave node clock module, the slave node processor is respectively connected with the slave node wireless module and the slave node clock module, the master node wireless module is connected with the slave node wireless module, and N is a positive integer more than 2. The invention has the characteristics of simple structure, convenient construction, low cost and convenient operation.
Description
Technical Field
The invention relates to time synchronization, in particular to a wireless network bearing based time synchronization system.
Background
The normal work and the function of the network intelligent node can not be performed without a uniform time reference. A time synchronization system refers to a network in which all clocks track to the same reference source or set of reference sources. The time synchronization system in the current market is based on a wired bearer network or a synchronization system self-establishes a private network to transmit time information, so that the problems of inconvenient system establishment, high cost and the like are caused.
Disclosure of Invention
The invention provides a wireless network bearing-based time synchronization system which has the characteristics of simple structure, convenience in construction, low cost and convenience in operation.
The technical solution of the invention is as follows:
a time synchronization system based on wireless network bearing is characterized by comprising a main node and N slave nodes, wherein the main node is provided with a main node processor, a main node wireless module and a main node clock module, and the main node processor is respectively connected with the main node wireless module and the main node clock module; each slave node is provided with a slave node processor, a slave node wireless module and a slave node clock module, the slave node processor is respectively connected with the slave node wireless module and the slave node clock module, the master node wireless module is connected with the slave node wireless module, and N is a positive integer more than 2.
In the system, a main node processor receives accurate time information (including TOD and 1PPS) from GPS and Beidou and provides the accurate time information to a local clock module, and meanwhile, the time information is sent to slave nodes through a main node wireless module, and the processor of each slave node receives the time information sent by the main node wireless module through the wireless module and provides the time information to the local clock module.
This enables a uniform time reference between the local devices of the slave nodes and the local device of the master node.
The invention has the following technical effects:
most of the time synchronization equipment on the market at present is based on a wired carrying network, and the equipment is required to be connected by using a network cable, so that the installation condition and the mobility of the equipment are limited. The time synchronization equipment connected through the wireless network does not need network connection or wiring, can be randomly placed in a certain range, and greatly enhances the practicability and convenience. The system has the characteristics of simple structure, convenience in construction, low cost and convenience in operation, and can greatly widen the use environment and range of the time synchronization equipment.
Drawings
FIG. 1 is a schematic diagram of a wireless network bearer-based time synchronization system according to the present invention
Detailed Description
Referring to fig. 1, fig. 1 is a schematic diagram of a wireless network-based time synchronization system according to the present invention, and it can be seen from the diagram that the wireless network-based time synchronization system according to the present invention includes a master node and N slave nodes, where the master node includes a master node processor, a master node wireless module, and a master node clock module, and the master node processor is connected to the master node wireless module and the master node clock module respectively; each slave node is provided with a slave node processor, a slave node wireless module and a slave node clock module, the slave node processor is respectively connected with the slave node wireless module and the slave node clock module, the master node wireless module is connected with the slave node wireless module, and N is a positive integer more than 2.
In the system, a main node processor receives accurate time information (including TOD and 1PPS) from GPS and Beidou and provides the accurate time information to a local clock module, and meanwhile, the time information is sent to slave nodes through a main node wireless module, and the processor of each slave node receives the time information sent by the main node wireless module through the wireless module and provides the time information to the local clock module.
This allows the slave local devices to have a uniform time reference with the master local device.
Experiments show that the invention has the characteristics of simple structure, convenient construction, low cost and convenient operation.
Claims (1)
1. A time synchronization system based on wireless network bearing is characterized by comprising a main node and N auxiliary nodes, wherein the main node is provided with a main node processor, a main node wireless module and a main node clock module, and the main node processor is respectively connected with the main node wireless module and the main node clock module; each slave node is provided with a slave node processor, a slave node wireless module and a slave node clock module, the slave node processor is respectively connected with the slave node wireless module and the slave node clock module, the master node wireless module is connected with the slave node wireless module, and N is a positive integer more than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391822.6A CN110891307A (en) | 2019-12-30 | 2019-12-30 | Time synchronization system based on wireless network bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391822.6A CN110891307A (en) | 2019-12-30 | 2019-12-30 | Time synchronization system based on wireless network bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110891307A true CN110891307A (en) | 2020-03-17 |
Family
ID=69753405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911391822.6A Withdrawn CN110891307A (en) | 2019-12-30 | 2019-12-30 | Time synchronization system based on wireless network bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110891307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022060690A1 (en) * | 2020-09-15 | 2022-03-24 | Texas Instruments Incorporated | Synchronization of wireless network nodes for efficient communications |
-
2019
- 2019-12-30 CN CN201911391822.6A patent/CN110891307A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022060690A1 (en) * | 2020-09-15 | 2022-03-24 | Texas Instruments Incorporated | Synchronization of wireless network nodes for efficient communications |
| US11844038B2 (en) | 2020-09-15 | 2023-12-12 | Texas Instruments Incorporated | Synchronization of wireless network nodes for efficient communications |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200317 |
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| WW01 | Invention patent application withdrawn after publication |