Abstract: Mine emergency rescue is an important part of the safety production work in coal mine,emergency rescue communication is becoming an indispensable technique for mine emergency rescue work.The types emergency broadcast system are mainly for the emergency broadcast system based on analog radio technique,the emergency broadcast system based on IP radio technique and the emergency broadcast system based on CAN radio technique,the composition and characteristics of the systems are analyzed,and the structure and the functions of communication,personnel positioning and vehicle management of mine integrated emergency broadcast system are studied in depth.The study results show that greater role of emergency broadcast system will be paid in mine emergency rescue command,regional emergency command,underground emergency call,escape route guidance,personnel dynamic tracking and video linkage tracking.

Key words: Emergency rescue, Broadcast system, Communication, Positioning, IP radio technique, CAN radio technique