为了提高发电厂安全管理的规范化和信息化水平，提出了一种基于层层防护概念的多方案组合的新型发电厂安防系统，该数字化安防系统采用了 “电子围栏+红外对射+紧急按钮”报警及“周界报警与安防视频系统联动”方案。该系统在某大型发电厂得到成功应用，可为发电厂安防系统设计提供参考。

In order to improve the standardization and informatization level of safety management for power plant, a new security system with multi schemes combined was proposed for power plant, based on the concept of layers of protection. This digital security system adopts a brand scheme that includes the alarm of electronic fence, infrared bijection, emergency button, as well as the linkage between boundary alarm and security video monitoring system. This system has been successfully applied in a large power plant, which can provide reference for the design of security system in power plant.