三道沟煤业应急广播系统设计方案上海山源电子电气科技发展有限公司2011 年 5 月一、概述..................................................................................................................................3前言..................................................................................................................................................31.建设目标..................................................................................................................................52.建设规模及范围......................................................................................................................5二、工程设计原则...................................................................................................................51.高可靠性..................................................................................................................................52.灵活性和可扩性......................................................................................................................53.先进性......................................................................................................................................54.实用性与针对性......................................................................................................................55.符合安规..................................................................................................................................66.内置后备电源..........................................................................................................................67.实现井下广播语音全覆盖.......................................................................................................6三、工程设计思想...................................................................................................................61.应急通信指挥系统必须满足的要素.......................................................................................62.技术路线...
