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Multi-module independent networking self-correcting high-precision time synchronization device

A time synchronization device and high-precision technology, applied in the field of communication, can solve problems such as time synchronization electromagnetic interference, achieve high-precision time synchronization, and ensure the effect of time synchronization

Pending Publication Date: 2022-03-08
江西边际科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides a multi-module independent network self-calibration high-precision time synchronization device, which solves the problem of electromagnetic interference in the current time synchronization, and adopts multi-module independent network and automatic The corrected time synchronization device realizes time synchronization and reduces the transmission error of time signals

Method used

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  • Multi-module independent networking self-correcting high-precision time synchronization device
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  • Multi-module independent networking self-correcting high-precision time synchronization device

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Experimental program
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Effect test

Embodiment 1

[0030] refer to figure 1 , 2 , a multi-module independent network self-calibration high-precision time synchronization device, including a high-precision time synchronization device, the operation process of the high-precision time synchronization device is as follows:

[0031] Sp1: Determine the GPS synchronization time signal and the connection terminal time signal, and obtain the first time of the two;

[0032] Sp2: The GPS first time signal is transmitted to the receiving module inside the time synchronization device through the signal. After the receiving module receives the first time signal, the clock module selects the GPS first time reference according to the priority order according to the state information decoded by the receiving module The source is used as the time synchronization source, and the selected GPS first time reference signal and the second pulse of the crystal oscillator are error-complemented;

[0033]Sp3: The first time signal of the connected ter...

Embodiment 2

[0038] refer to figure 1 , the outer surface of the time synchronization device is equipped with an electromagnetic shielding case, and the gap formed by the electromagnetic shielding case and the time synchronization device is filled with fine cotton, the external interface of the electromagnetic shielding case is grounded, and the connection between the connection terminal and the time synchronization device passes through the electromagnetic shielding shell, and connect the external interface of the terminal to ground.

[0039] Electromagnetic shielding is adopted, and an electromagnetic shielding shell is installed on the outside of the time synchronization device, and the gap is filled with fine cotton. At the same time, the electromagnetic shielding shell is grounded to ensure a certain anti-interference effect. The electromagnetic field generates eddy currents in the shielding metal, which consumes the energy of the interfering magnetic field. The eddy current magnetic ...

Embodiment 3

[0042] refer to image 3 , the GPS first time signal fed back by the connection terminal is accessed through the regional network, and the time signals of each region are aggregated, and the time signal is decoded in groups through the core packet network and the core circuit network, and the core signal and core data are obtained through data analysis The signal matches the GPS first time signal.

[0043] Adopt the form of multi-module independent networking with the time synchronization device, connect the terminal to the regional network, and then carry out signal aggregation through independent networking, and judge the core time through the data analysis of the core packet network and the core circuit network for the signal The signal is then connected to GPS, and the addition of independent networking can realize automatic planning between different regions, calculate and plan the synchronous active and standby paths of all or designated regional network elements, reduce...

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Abstract

The invention provides a multi-module independent networking self-correcting high-precision time synchronization device, and relates to the field of communication, the high-precision time synchronization device comprises a high-precision time synchronization device, and the operation process of the high-precision time synchronization device is as follows: Sp1: determining a GPS synchronization time signal and a connection terminal time signal, and obtaining the first time of the GPS synchronization time signal and the connection terminal time signal; sp2, the GPS first time signal is transmitted to a receiving module in the time synchronization device through a signal; sp3, the first time signal of the connection terminal is decoded through a receiving module and a clock module, and the GPS first time signal is fed back to the connection terminal in a self-correction mode; and Sp4, transmitting the first time state information decoded by the clock module to a time synchronization network server through a data network bus. The problem of electromagnetic interference in current time synchronization is solved, time synchronization is realized by adopting a multi-module independent networking and self-correcting time synchronization device, and the transmission error of time signals is reduced.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a multi-module independent networking self-calibration high-precision time synchronization device. Background technique [0002] The time synchronization device is to use the time distribution system to broadcast time information to the outside world. The user terminal compares the received time information with the local information, measures the time difference between the two, and synchronizes the user time with the system time. Commonly used synchronization methods are mainly short-wave timing method, long-wave timing method, satellite timing method, clock moving method and setting up a synchronous monitoring station. Short-wave timing and long-wave timing use high-power short-wave and long-wave radio signals to transmit time information on the ground. The propagation characteristics of short-wave and long-wave determine that short-wave timing needs to transmit high-p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/06
CPCH04J3/0638
Inventor 殷皓钱良
Owner 江西边际科技有限公司
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