Intelligent guidance system for fire escape path base on wireless sensing network

Abstract

The invention discloses a fire escape route intelligent guidance system based on wireless sensor network, which comprises sensor nodes provisioned at each corridor and aisle of a building, and a background monitoring device used for monitoring the total environment covered by the sensor nodes. The sensor nodes comprise convergent nodes and normal nodes, every two sensor nodes are connected with each other in a wireless mode, the convergent nodes are connected with the background monitoring device in a wireless mode, the background monitoring device comprises an initialization module and a monitoring module; each sensor node is connected with a distributed node guide controller, when a certain sensor node sends out a fire signal, adjustment is carried out according to the initialization weight of each node, the weights of the current sensor node and the adjacent sensor node are compared to select the adjacent sensor node with the smallest weight as the target sensor node, and the direction from the current sensor node to the target sensor node is taken as the guide direction which is displayed on a display unit. The system has good reliability and can effectively help people escape from the fire.

Description

technical field [0001] The invention relates to a distributed path guidance mechanism based on a wireless sensor network, in particular to a fire escape system. Background technique [0002] The modern development of the city makes more and more people work in large modern buildings, especially high-rise buildings. Once a disaster occurs in these densely populated buildings, the consequences will be disastrous if there is no effective guidance to escape from the disaster scene. According to fire statistics data, there were 222,702 fires in my country in 2006, 1,517 people were killed, 1,418 people were injured, and the direct property loss was 784,468,411 yuan. The analysis of the fire department pointed out that when an emergency such as a fire occurs, people often do not know where to escape because of panic. The most common wrong escape methods are: (1) escape by the same route: this is because people entered (2) Escape toward the light source: walking toward the light s...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the poor reliability and lack of effective guidance of existing fire escape systems, the present invention provides an intelligent fire escape guidance system based on wireless sensor networks that has good reliability and can effectively assist people in fire escape

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