Hot-plug redundant communication device in railway communication

Abstract

The invention discloses a hot swappable redundant communication device applied to railway communication, consisting of two power modules which are connected with a power bus. The two railway communication system modules are connected with power bus respectively through top-and-bottom electricity and reset controlling circuit. Two controllers are connected with each other respectively through a net mouth and a serial interface and are respectively and separately connected with the railway communication system module through a GSM-R controlling serial interface; the controller and an I / O interface extension groove are also respectively connected with a peripheral equipment interconnection bus; the I / O interface is also connected with the power bus. The hot swappable redundant communication device has the advantages of the adoption of a compact 3U CompactPCI structure, integration, hot swappable performance and redundant design and realizes the aims of high reliability and miniaturization. All modules of the device can be replaced online without power-off. Furthermore, the redundant design is adopted in crucial modules, such as a GSM-R module in the device, a controller module, a power module, etc. When any function module goes wrong, the function can be automatically switched to a normal module to continue the work, thus guaranteeing the high reliability of an engine communication and ensuring the operation safety of the engine.

Description

Technical field [0001] The invention relates to a railway communication device. In particular, it relates to a hot-swappable redundant communication device in railway communication that adopts a hot-swappable design, and all modules of the device can be replaced online without power failure to ensure the safety of locomotive operation. Background technique [0002] The full name of GSM-R (GSM for Railway) system in Chinese is the railway communication system. It is a digital wireless communication based on the GSM platform, the most mature and common public wireless communication system in the world, specifically developed to meet railway applications. The system is a cost-effective comprehensive wireless communication system that provides customized additional functions for railway operations in accordance with the characteristics of railway communication train dispatching, train control, and support for high-speed trains. [0003] The GSM-R system consists of six subsystems: Sw...

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Problems solved by technology

[0004] However, the existing railway communication system has only one set of GSM-R, control circuit and power supply in the whole system. Once any one of them has a problem, it will cause the paralysis of the whole system, and the high reliability of locomotive communication cannot be guaranteed.

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