Generally speaking, weak current systems are composed of different systems on different occasions. For example, the weak current system in the hotel consists of an automatic fire rescue system, a monitoring video system and a central air conditioning system. The wireless city weak current system consists of management garage, access control system and the above management system. Therefore, the weak current system will be different for different occasions. The article refers to the weak current system in public places, and its composition can be divided according to functions, including safety prevention system and automatic control system.
1, security system
Indoor part: an indoor safety protection system composed of several subsystems, which can not only ensure the indoor safety of public places, but also transmit indoor related information to the designated dispatching command center. Usually, indoor security system consists of door and window management system, emergency rescue system, fire alarm system and indoor monitoring system. Outdoor part: the outdoor security system is mainly to protect the surrounding safety of public places and monitor all monitoring facilities in the whole public place. It usually consists of security patrol system, infrared alarm system and outdoor monitoring system.
2. Automatic control system
In public places, not only indoor and outdoor security systems are needed, but also multiple automatic control systems are needed to provide automatic control for major equipment systems. Generally speaking, automatic control systems are widely used in public places, mainly lighting systems, fire safety systems, broadcasting systems, power supply systems and drainage systems.