Centralized Fire Alarm System Design And Realization

Centralize Fire Alarm System is Fire Alarm System based on control center. Because of the advantage of long-distant alarm, long-distant control, centralize supervising, the system attracted more and more attention.The system is with a distributed structure of two layers: the base layer is local control center, the upper layer is supervisory control center. The base layer which links the control units to one another adopts Lonworks as its internal bus, implementing real distributed control between the control units. The upper layer, providing the interfaces between the fire alarm system and other control system, adopts Internet Protocol.Based on the Criterion of the design of fire alarm system, this paper involves the theory and realization of the Centralize Fire Alarm System. As an important part of system, this work contains the project design, the development of hardware, the development of software. The main research work and results can be summarized as follows:1. Accomplishing the project design of the local control center;2. Accomplishing the development of the circuit of the local control center;3. Accomplishing the project design of parsing protocol and the development of circuit which realize parsing protocol.The research results indicate that developed hardware is coincident with the r system's demand in function. And the main parameters gained by test reach the system's design demand.