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Network time system and method based on Beidou satellite positioning

A technology of network timing and Beidou satellite, which is applied in the field of network timing system based on Beidou satellite positioning, can solve the problem of low timing accuracy and achieve high timing accuracy

Inactive Publication Date: 2015-02-18
XIAN HUAXUN MICROELECTRONICS
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Problems solved by technology

[0004] The purpose of the present invention is to provide a network timing system and method based on Beidou satellite positioning, aiming to solve the problem that the existing network timing accuracy is not high

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  • Network time system and method based on Beidou satellite positioning
  • Network time system and method based on Beidou satellite positioning
  • Network time system and method based on Beidou satellite positioning

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] A network timing system based on Beidou satellite positioning, such as figure 1 As shown, include GPS / BD network timing server 1, client 2; Described network timing server 1 includes: GPS / BD module 11 for providing accurate time information, RTC clock 12, TCP / IP network transmission module 13, EEPROM14 , and the main processor 15;

[0029] The main processor 15 is used for: based on the precise time information provided by the GPS / BD module 11, and in conjunction with the internal RTC clock 12, calculate and correct the time information (year, month, day, hour, minute, second), and transmit...

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Abstract

The invention provides a network time system and method based on Beidou satellite positioning. The method includes through accurate time information provided on the basis of a GPS / BD (global positioning system / Beidou) module and combining an internal RTC (real time clock), calculating and correcting time information (year, mouth, date, hour, minute and second); through a TCP / IP (transmission control protocol / internet protocol) network transmission module, establishing a time transmission link with a client side initiating a request on a network in real time; according to the request sent to a server by the client side and through an NTP (network time protocol), synchronizing time with the network client side sending request signals. The network time system and method is higher in network time accuracy and can meet needs of the fields of power communication, communication charging, distributed-type network calculation and weather forecast better.

Description

technical field [0001] The invention belongs to the technical field of network timing, and in particular relates to a network timing system and method based on Beidou satellite positioning. Background technique [0002] Taking the power grid as an example, to ensure that the equipment in power plants and substations operates synchronously, it is necessary to ensure that the internal clocks of the equipment are consistent. Before the Beidou power network time synchronization management system appeared, in order to unify the internal clock, my country's power system must provide time service to the power automation equipment, microcomputer monitoring system, safety automatic protection equipment, fault and event records, etc. of the power system through the US GPS civilian channel Signal, which makes it difficult to guarantee my country's electric power security. [0003] In some occasions that require precise time synchronization, such as power communication, communication bi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06G04R20/02
Inventor 周文益张科伟梁奋强秦华伟王正林博恒
Owner XIAN HUAXUN MICROELECTRONICS
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