GNSS navigation satellite-based self-maintenance clock publishing system

Abstract

The invention discloses a GNSS navigation satellite-based self-maintenance clock publishing system comprising at least a GNSS signal receiving and processing module and at least an energy autonomy module, wherein the GNSS signal receiving and processing module is used for receiving satellite signals and obtaining position information and Greenwich Mean Time, relation between local time and Greenwich Mean Time is determined according to the position information and therefore standard time is automatically corrected, and the energy autonomy module is connected with the GNSS signal receiving and processing module and is used for realizing power source supply of the system. The GNSS navigation satellite-based self-maintenance clock publishing system is characterized in that a GNSS navigation satellite-based self-maintenance and self-synchronization information publishing screen clock is realized; the system is advantaged by simple structure, low manufacture and maintenance cost, and suitability for large scale popularization.

Description

technical field [0001] The invention relates to a self-maintaining clock distribution system based on GNSS navigation satellites. Background technique [0002] Since the time displayed on the traditional electronic information release screen can only be based on the time provided by the computer or other electronic timers, this type of timing unit generally uses various types of quartz crystal oscillators for time counting and oscillation generation circuit components. When the computer or other electronic timers cause time errors for some reason, it will cause time errors on the information release screen. Therefore, this traditional clock release method is fragile and requires manual maintenance and protection. In addition, due to the crystal oscillator Due to the influence of device accuracy and working environment, the accuracy of traditional electronic timers is limited, and the release time has the disadvantage of error accumulation. At the same time, it is impossible...

AI Technical Summary

Problems solved by technology

When the computer or other electronic timers cause time errors for some reason, it will cause time errors on the information release screen. Therefore, this traditional clock release method is fragile and requires manual maintenance and protection. In addition, due to the crystal oscillator Due to the influence of device accuracy and working environment, the accuracy of traditional electronic timers is limited, and the release time has the disadvantage of error accumulation

At the same time, it is impossible to synchronize the clocks of multiple electronic information publishing screens in a wide area, which will have adverse effects in some occasions that require synchronous applications.

[0003] Therefore, the existing technology has disadvantages such as difficulty in guaranteeing clock accuracy, poor stability, manual maintenance, and inability to display synchronously.

Images