CN111884744A - Universal time management device and time management method - Google Patents
Universal time management device and time management method Download PDFInfo
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- CN111884744A CN111884744A CN202010511549.2A CN202010511549A CN111884744A CN 111884744 A CN111884744 A CN 111884744A CN 202010511549 A CN202010511549 A CN 202010511549A CN 111884744 A CN111884744 A CN 111884744A
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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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- 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
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
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Abstract
The invention discloses a universal time management device and a time management method. The time system device comprises a core module and an interface extension module; the core module is used for receiving a time service signal, forming a time synchronization signal in a time-keeping mode and transmitting the time synchronization signal to the interface expansion module; the interface extension module comprises at least one extension input interface and a plurality of extension output interfaces, and is used for receiving the time synchronization signals output by the core module through the extension input interfaces to form a plurality of paths of extension time synchronization signals and outputting the extension time synchronization signals to the time service device through the plurality of extension output interfaces.
Description
Technical Field
The invention relates to the technical field of time-giving systems. And more particularly, to a generalized time keeping apparatus and a system method.
Background
In modern missile and space test, the missile and space test has wide regions, and a plurality of devices and systems are required to cooperatively complete measurement and control tasks. To coordinate all the participating devices to obtain accurate and reliable data information and data, a uniform time reference system is required. A whole set of electronic equipment for providing standard time signals and standard frequency signals for conventional weapon tests, missile tests, spacecraft launching, measurement and control systems is called a time unified system, which is called a time system for short.
At present, time system equipment is adopted as a time system in a large number of space tests, but due to different requirements of using interfaces of weapon equipment, the development of the time system equipment is independently carried out. This results in a plurality of models of time-line equipment, but the functions are similar, and the development of a plurality of time-line equipment with similar functions consumes a large amount of manpower and material resources, resulting in low cost-effectiveness ratio.
Disclosure of Invention
The invention aims to provide a universal time system device, and provide a universal time system device capable of flexibly expanding an interface, so that the universality of the time system device is improved, and the cost-effectiveness ratio is improved. Another object of the present invention is to provide a generalized timing method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a universal time system device, which comprises a core module and an interface extension module;
the core module is used for receiving a time service signal, forming a time synchronization signal in a time-keeping mode and transmitting the time synchronization signal to the interface expansion module;
the interface extension module comprises at least one extension input interface and a plurality of extension output interfaces, and is used for receiving the time synchronization signals output by the core module through the extension input interfaces to form a plurality of paths of extension time synchronization signals and outputting the extension time synchronization signals to the time service equipment through the plurality of extension output interfaces.
Preferably, the core module includes a signal input interface, a time keeping module and a plurality of signal output interfaces;
the signal input interface is used for receiving a time service signal;
the time keeping module is used for receiving the time service signal, keeping time according to the time service signal and outputting a time synchronization signal;
the plurality of signal output interfaces are used for outputting the time synchronization signals to the interface expansion module.
Preferably, the core module is further configured to transmit the time synchronization signal to a time service device.
Preferably, the time signal includes at least one of a satellite time signal, a B-code time signal, a PTP/NTP signal, and a pulse-per-second and time-code time signal.
Preferably, the time synchronization signal includes at least one of a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
Preferably, the extended input interface is configured to receive a time synchronization signal of a pulse per second or a time code timing signal.
Preferably, the extended time synchronization signal includes at least one of a B code and a pulse-per-second and time-code timing signal.
The invention also discloses a generalized time system method, which comprises the following steps:
receiving a time service signal through a core module, keeping time to form a time synchronization signal, and transmitting the time synchronization signal to an interface expansion module;
and receiving the time synchronization signal output by the core module through an interface extension module to form a plurality of paths of extension time synchronization signals, and outputting the extension time synchronization signals to the time service equipment.
Preferably, the time synchronization signal includes at least one of a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
Preferably, the time synchronization signal received by the extended input interface is a pulse per second or a time code timing signal, and the extended time synchronization signal includes a B code and at least one of the pulse per second and the time code timing signal.
The invention comprises a core module and an interface extension module. The core module is provided with a certain number of signal output interfaces. Part of signal output interfaces of the core module are cascaded with the expansion input interfaces of the interface expansion module. Aiming at time management equipment with consistent core functions and different interface requirements, the time service signal is received by the core module, and the time synchronization signal can be output to the interface expansion module according to the time service signal for keeping time. The interface expansion module is provided with a plurality of expansion output interfaces, and expansion time synchronization signals of different interfaces can be formed according to the time synchronization signals of the core module. The interface extension module transmits the extension time synchronization signal to the to-be-timed timing device for timing through an interface corresponding to the to-be-timed timing device, so that the time of each test system is unified.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a block diagram illustrating one embodiment of a generalized system configuration of the present invention;
FIG. 2 is a flow chart of a generalized timing method according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In one or more embodiments of the present invention, the time keeping refers to a process of keeping a calibrated standard time of a local clock, and a time keeping center at home and abroad generally uses a time keeping clock group consisting of a plurality of cesium atomic clocks and hydrogen atomic clocks to perform time keeping, and the time keeping clock group is a fixed Master Clock (MC) with the best long-term operation performance.
Based on this, according to one aspect of the present invention, the present embodiment discloses a generalized time system apparatus. As shown in fig. 1, in this embodiment, the generalized time system apparatus includes a core module and an interface extension module.
The core module is used for receiving a time service signal, forming a time synchronization signal in a time-keeping mode and transmitting the time synchronization signal to the interface expansion module.
The interface extension module comprises at least one extension input interface and a plurality of extension output interfaces, and is used for receiving the time synchronization signals output by the core module through the extension input interfaces to form a plurality of paths of extension time synchronization signals and outputting the extension time synchronization signals to the time service equipment through the plurality of extension output interfaces.
The invention comprises a core module and an interface extension module. The core module is provided with a certain number of signal output interfaces. Part of signal output interfaces of the core module are cascaded with the expansion input interfaces of the interface expansion module. Aiming at time management equipment with consistent core functions and different interface requirements, the time service signal is received by the core module, and the time synchronization signal can be output to the interface expansion module according to the time service signal for keeping time. The interface expansion module is provided with a plurality of expansion output interfaces, and expansion time synchronization signals of different interfaces can be formed according to the time synchronization signals of the core module. The interface extension module transmits the extension time synchronization signal to the to-be-timed timing device for timing through an interface corresponding to the to-be-timed timing device, so that the time of each test system is unified.
In a preferred embodiment, the core module comprises a signal input interface, a time keeping module and a plurality of signal output interfaces. The signal input interface is used for receiving a time service signal. The time keeping module is used for receiving the time service signal, keeping time according to the time service signal and outputting a time synchronization signal. The plurality of signal output interfaces are used for outputting the time synchronization signals to the interface expansion module.
The time keeping module preferably selects a time stable rubidium clock for authorization. Preferably, the time keeping module may receive at least one of a satellite time signal, a B-code time signal, a PTP/NTP signal, and a second pulse and time code time signal. The time synchronization signal of the core module comprises at least one of a B-code time service signal, a PTP/NTP signal, a pulse per second, a time code time service signal and the like.
In a preferred embodiment, the extended input interface is configured to receive a time synchronization signal of a pulse per second or a time code signal. It can be understood that, the extended input interface is connected to the signal output interface of the core module, and preferably, the pulse per second or the time code time signal output by the core module can be received through the extended input interface as a basic signal for signal extension, and a time synchronization signal of the pulse per second or the time code time signal is extended into a multi-path extended time synchronization signal. Preferably, the extended time synchronization signal may include a B code and at least one of a pulse per second and a time code timing signal.
In a preferred embodiment, the core module is further configured to transmit the time synchronization signal to a time service device. It can be understood that, in the preferred embodiment, a part of the signal output interfaces of the core module is connected to the interface extension module, and another part of the signal output interfaces of the core module is directly connected to the to-be-timed timing device, that is, when a signal output interface corresponding to the interface type of the to-be-timed timing device can be set on the core module, the signal output interface of the core module can directly transmit the time synchronization signal to the to-be-timed timing device, so as to implement time synchronization of the multiple devices. When a signal output interface with the same type as the interface of the to-be-timed timing device does not exist on the core module, an extended output interface with the same type as the interface of the to-be-timed timing device can be arranged, the time synchronization signal of the core module is extended into a plurality of paths of extended time synchronization signals through the interface extension module and is transmitted to the to-be-timed timing device through the extended output interface.
It should be noted that, in the present invention, the number and the interface type of the signal input interface and the signal output interface of the core module may be set according to actual requirements, and the number and the interface type of the extended input interface and the extended output interface of the interface extension module may also be set according to actual requirements. In addition, for those skilled in the art, the specific implementation manner of the core module and the interface extension module of the present invention may be set according to actual requirements, and is a conventional technical means in the art, and is not described herein again.
Based on the same principle, the embodiment also discloses a generalized time system method. As shown in fig. 2, in this embodiment, the generalized timing method includes:
s100: and receiving a time service signal through a core module, keeping time to form a time synchronization signal, and transmitting the time synchronization signal to the interface expansion module.
S200: and receiving the time synchronization signal output by the core module through the interface extension module to form a plurality of paths of extension time synchronization signals, and outputting the extension time synchronization signals to the time service equipment.
In a preferred embodiment, the time synchronization signal includes at least one of a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
In a preferred embodiment, the time synchronization signal received by the extended input interface is a pulse per second or a time code signal, and the extended time synchronization signal includes at least one of a B code and a pulse per second and a time code signal.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A universal time system device is characterized by comprising a core module and an interface extension module;
the core module is used for receiving a time service signal, forming a time synchronization signal in a time-keeping mode and transmitting the time synchronization signal to the interface expansion module;
the interface extension module comprises at least one extension input interface and a plurality of extension output interfaces, and is used for receiving the time synchronization signals output by the core module through the extension input interfaces to form a plurality of paths of extension time synchronization signals and outputting the extension time synchronization signals to the time service equipment through the plurality of extension output interfaces.
2. The generalized timing device of claim 1, wherein the core module comprises a signal input interface, a time keeping module, and a plurality of signal output interfaces;
the signal input interface is used for receiving a time service signal;
the time keeping module is used for receiving the time service signal, keeping time according to the time service signal and outputting a time synchronization signal;
the plurality of signal output interfaces are used for outputting the time synchronization signals to the interface expansion module.
3. The universal timing device according to claim 1, wherein the core module is further configured to transmit the time synchronization signal to a timing device.
4. The universal timing device according to claim 1, wherein the timing signal includes at least one of a satellite timing signal, a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
5. The universal timing device according to claim 4, wherein the time synchronization signal comprises at least one of a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
6. The universal time system device according to claim 5, wherein the extended input interface is configured to receive a time synchronization signal of a pulse per second or a time code timing signal.
7. The universal time system device according to claim 6, wherein said extended time synchronization signal comprises at least one of a B-code and a pulse-per-second and time-code timing signal.
8. A generalized timing method, comprising:
receiving a time service signal through a core module, keeping time to form a time synchronization signal, and transmitting the time synchronization signal to an interface expansion module;
and receiving the time synchronization signal output by the core module through an interface extension module to form a plurality of paths of extension time synchronization signals, and outputting the extension time synchronization signals to the time service equipment.
9. The universal timing method according to claim 8, wherein said time synchronization signal comprises at least one of a B-code timing signal, a PTP/NTP signal, and a pulse-per-second and time-code timing signal.
10. The universal timing method according to claim 9, wherein the time synchronization signal received by the extended input interface is a pulse-per-second or a time code signal, and the extended time synchronization signal includes at least one of a B code and a pulse-per-second and a time code signal.
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Cited By (3)
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CN114071694A (en) * | 2021-11-17 | 2022-02-18 | 成都天奥电子股份有限公司 | Time service precision improving method and device based on Beidou satellite signals and storage medium |
CN114268582A (en) * | 2021-11-24 | 2022-04-01 | 上海机电工程研究所 | Springing forwarding system and device |
CN114427803A (en) * | 2021-12-24 | 2022-05-03 | 湖南金翎箭信息技术有限公司 | Anti-frog grenade positioning control system and control method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114071694A (en) * | 2021-11-17 | 2022-02-18 | 成都天奥电子股份有限公司 | Time service precision improving method and device based on Beidou satellite signals and storage medium |
CN114071694B (en) * | 2021-11-17 | 2023-12-15 | 成都天奥电子股份有限公司 | Time service precision improving method and device based on Beidou satellite signals and storage medium |
CN114268582A (en) * | 2021-11-24 | 2022-04-01 | 上海机电工程研究所 | Springing forwarding system and device |
CN114268582B (en) * | 2021-11-24 | 2024-04-05 | 上海机电工程研究所 | Bullet forwarding system and device |
CN114427803A (en) * | 2021-12-24 | 2022-05-03 | 湖南金翎箭信息技术有限公司 | Anti-frog grenade positioning control system and control method |
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