Research On Communication Network Of Electrical Fire Remote Monitoring System

At present, electrical fire control system is based on regional electrical fire control system and concentrated electrical fire control system in domestic. Distributed control mode is their main form of installation.The system is generally self-sustaining and isolation.The system can not realize resource and service sharing among systems. Electrical fire remote monitoring system is based on CAN bus and Ethernet technology, it connections with Ethernet monitoring on-line through the CAN bus. Alarm decision is based on all kinds of information, and the electrical fire danger is eliminated before it happens.This thesis is about the analysis and research of electrical fire remote monitoring system. After extensive access to information, we know about the requirements of the remote monitoring technology of electrical fire control and the application situation of remote monitoring technology in electrical fire control system. The design of remote monitoring system of the structure and the overall scheme in the communication is based on the original independent electrical fire monitors of electrical fire.Main design of those parts are the software and hardware of CAN bus and Ethernet communication.In the part of hardware design, the communication module and the hardware circuit of CAN bus and thernet are designed detaily. The hardware of CAN bus contains the can bus controller and the can bus transceiver, and the selection of Ethernet controller.In the part of softdware design, CAN bus and Ethernet communication protocol are researched firstly and program flowchart is designed, then the corresponding section of the core code is provided.At last, a electrical fire test platform is built in laboratory, and TCP&UDP is used for the related tests.Then a test by sending and receiving data is made.The results of tests verify that the whole system's operation is relatively stable. It is proved that this designed communication network scheme of electrical fire remote monitoring system is feasible.In the last chapter, the improvement of the whole system and forward of electrical fire control system development direction are discussed.