CN211427082U

CN211427082U - Time source synchronous checking system

Info

Publication number: CN211427082U
Application number: CN201921621537.4U
Authority: CN
Inventors: 周颖杰; 张磊
Original assignee: CHANGZHOU RADIO FACTORY CO LTD
Current assignee: CHANGZHOU RADIO FACTORY CO LTD
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-09-04
Anticipated expiration: 2029-09-26

Abstract

The utility model provides a time source synchronous check-up system, including input module, reference clock module, GPS module, FPGA module, control module, network module and PC end, input module, reference clock module, GPS module and control module all are connected with the FPGA module, control module passes through the network module and is connected with the PC end. The utility model discloses a set up GPS module and reference clock to utilize FPGA module and ARM treater to carry out the check-up to the time source of input, improved check-up accuracy and check-up speed.

Description

Time source synchronous checking system

Technical Field

The utility model relates to a time source check-up technical field especially relates to a time source synchronous check-up system.

Background

The Chinese territory is wide, spans a plurality of time zones, and all places use the same time, in order to ensure accurate time, some large-scale places are generally provided with own time sources, and the time sources are verified to ensure that the time of all devices in the same place is the same, so that the application of the current time source synchronous verification system is more and more extensive.

For example, chinese patent "CN 203606635U" discloses a time source and time receiving correction device. The time source comprises a network connection module, a microprocessor, a clock chip module and an antenna module, wherein the network connection module is used for obtaining a time signal of a public network time server; the microprocessor is used for receiving the time signal obtained by the network connection module, converting the time signal into calibration time, and sending the calibration time to the clock chip module for initialization and calibration; the clock chip module is used for receiving the calibration time and generating real-time; the antenna module is used for converting real-time into a radio signal containing a time signal. The time receiving and correcting device comprises an antenna module and a microprocessor, wherein the antenna module is connected with the microprocessor, the antenna module is used for receiving the time signals provided by the time source, and the microprocessor is used for processing the time signals received by the antenna module and correcting time equipment. According to the technical scheme, the external signal is received through the antenna to check time, and the check result is prone to deviation.

Disclosure of Invention

For the problem of overcoming existence among the prior art only receive external signal through the antenna and carry out check-up time, the deviation appears easily in the check-up result, the utility model provides a time source synchronization check-up system.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a time source synchronization checking system comprises an input module, a reference clock module, a GPS module, an FPGA module, a control module, a network module and a PC (personal computer) terminal, wherein the input module, the reference clock module, the GPS module and the control module are all connected with the FPGA module, and the control module is connected with the PC terminal through the network module.

On the basis, the information input by the input module comprises a time code, a PPS second pulse and a 10MHz frequency source.

On this basis, the GPS module is provided with a receiving antenna.

On this basis, the control module is an ARM processor.

On the basis, the frequency stability of the reference clock is 10^-9。

On the basis, the network module is connected with the PC end through an RJ45 interface.

On the basis, the PC end is also connected with an audible and visual alarm device.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up GPS module and reference clock to utilize FPGA module and ARM treater to carry out the check-up to the time source of input, improved check-up accuracy and check-up speed;

the utility model has the advantages that the PC end is arranged, and the ARM processor and the PC end are connected by the network module, so that the result transmission is more stable and faster;

the utility model discloses a set up audible-visual annunciator and connect the PC end for remind the staff in time to maintain the time source after the time source check-up mistake.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, the present invention schematically illustrates a time source synchronization verification system.

The utility model discloses a time source synchronization check-up system, including input module, reference clock module, GPS module, FPGA module, control module, network module and PC end, input module, reference clock module, GPS module and control module all are connected with the FPGA module, control module passes through the network module and is connected with the PC end.

As a preferred embodiment of the present invention, the information input by the input module includes a time code, a PPS second pulse, and a 10MHz frequency source.

As the preferred embodiment of the present invention, the GPS module is provided with a receiving antenna.

As a preferred embodiment of the present invention, the control module is an ARM processor.

As a preferred embodiment of the present invention, the frequency stability of the reference clock is 10^-9。

As a preferred embodiment of the present invention, the network module is connected to the PC terminal through an RJ45 interface.

As the preferred embodiment of the utility model, the PC end is also connected with an audible and visual alarm device.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A time source synchronization verification system, comprising: the intelligent alarm system comprises an input module, a reference clock module, a GPS module, an FPGA module, a control module, a network module and a PC (personal computer) terminal, wherein the input module, the reference clock module, the GPS module and the control module are all connected with the FPGA module, the control module is connected with the PC terminal through the network module, a receiving antenna is arranged on the GPS module, the control module is an ARM (advanced RISC machine) processor, and the PC terminal is further connected with an audible and visual alarm device.

2. The system for time source synchronization verification according to claim 1, wherein: the information input by the input module comprises a time code, a PPS second pulse and a 10MHz frequency source.

3. The system for time source synchronization verification according to claim 1, wherein: the frequency stability of the reference clock is 10^-9。

4. The system for time source synchronization verification according to claim 1, wherein: and the network module is connected with the PC end through an RJ45 interface.