我国传统的铁路信号自动闭塞系统使用继电联锁方式,文章介绍的基于计算机联锁的铁路信号自动闭塞系统在兼容了现有继电联锁方式的可靠性,安全性的基础上,扩展增加了新的功能,比如:提供良好的远程访问能力,方便组建调度监督能力等,使得计算机联锁方式铁路信号自动闭塞系统可以适应未来的铁路系统需要,文章从软件模型以及系统结构两方面对计算机联锁式铁路信号自动闭塞系统的性能进行分析。 China’s traditional automatic railway signal blocking system using relay interlocking method, the article describes the computer-based interlocking railway signal automatic blocking system compatible with the existing relay interlock reliability, security, based on the expansion of increase The new functions, such as providing good remote access capability and facilitating the establishment of dispatching supervision capabilities, make the computer-linked railway signal automatic blocking system adaptable to the future railway system needs. The article analyzes the computer system from two aspects of software model and system structure Interlocking railway signal automatic blocking system performance analysis.