摘要
文章对上海市道路隧道火灾自动报警系统在实际火灾下运营现状进行分析,发现道路隧道隧道火灾工况下自动报警系统存在报警不及时、误报漏报率高、定位不准确的问题。分析认为道路隧道内外环境对火灾自动探测器完备性影响较大,且火灾自动报警模式及报警阈值对火灾报警响应具有决定性作用。基于目前道路隧道火灾自动报警系统所存在的问题及原因分析,从报警模式动态设定、火灾报警设备实时评估及报警系统设计方面提出了相应建议,旨在提高道路隧道火灾自动报警系统报警性能及智慧化运营。
The paper presents the response of the fire alarm system during the real fire in road tunnels of Shanghai based on the survey,which shows that during real fire events the fire alarm system fails to respond timely and cannot fix the fire location accurately sometimes.In addition,it seems to have high levels of false detection and alarm rate.It has been found that the environment inside and outside the tunnel have a significant impact on the quality and performance of the automatic fire detectors.Besides,the detection pattern and the alarm threshold are related to the success rate of the fire detection to a large degree.Based on the above mentioned problems,the proposals on the fire detection pattern,the evaluation of the detector and the overall design of the fire alarm system are made to improve its performance as well as the safety maintenance of the tunnel.
作者
施永泉
SHI Yongquan(Shanghai Tunnel Engineering Co.Ltd,Shang hai 200032)
出处
《现代隧道技术》
EI
CSCD
北大核心
2018年第A02期640-645,共6页
Modern Tunnelling Technology
关键词
隧道火灾
自动报警系统
报警响应
报警模式
评估
Tunnel fire
Fire alarm system
Alarm response
Detection pattern
Evaluation
