飞机货舱火灾多传感器探测方法研究

doi:10.16265/j.cnki.issn1003-3033.2018.05.013

中国安全科学学报 ›› 2018, Vol. 28 ›› Issue (5): 74-79.doi: 10.16265/j.cnki.issn1003-3033.2018.05.013

飞机货舱火灾多传感器探测方法研究

何永勃副教授, 董玉珊, 雷建, 张文杰, 薛荣荣

中国民航大学电子信息与自动化学院,天津 300300

收稿日期:2018-02-10 修回日期:2018-04-21 出版日期:2018-05-28 发布日期:2020-11-25
作者简介:何永勃(1971—),男,陕西蒲城人,博士,副教授,硕士生导师,主要从事航空检测技术及智能化仪表的研究。
基金资助:
民航科技项目基金资助(MHRD20150220);国家重点基础研究发展计划基金资助(2012CB720100)。

Research on multi-sensor method for detecting aircraft cargo fire

HE Yongbo, DONG Yushan, LEI Jian, ZHANG Wenjie, XUE Rongrong

School of Electronic Information and Automation,Civil Aviation University of China,Tianjin 300300,China

Received:2018-02-10 Revised:2018-04-21 Online:2018-05-28 Published:2020-11-25

摘要/Abstract

摘要： 为解决目前飞机货舱火灾探测器误报率极高、响应速度慢的问题,开发一种基于烟雾颗粒浓度、温度、CO质量浓度和CO₂质量浓度的多传感器飞机货舱火警探测方法并制定多参数报警算法。选择合适型号探测器构成烟雾、温度、CO和CO₂多传感器探测装置;采用常见火灾材料及干扰源在模拟货舱内进行真假火源试验;根据从试验数据中提取的火灾发生的特征信息制定多参数报警算法。结果表明:真实火灾产生大量的CO和CO₂,其质量浓度变化非常大;假火灾只产生极少量的CO和CO₂,质量浓度基本与环境中持平;用基于多传感器火灾探测装置可以准确区分真假火源,大幅度降低误报警率;多参数报警算法较单参数算法响应更快。

关键词: 飞机火警探测器, 多传感器, CO₂质量浓度, 误报警率, 报警算法

Abstract: In order to solve the problem of high false alarm rate and low response of aircraft fire detectors,an aircraft fire multi-sensor detection method based on smoke,temperature,CO and CO₂ was worked out and a multi-parameter alarm algorithm was developed.First,suitable detectors were selected to form a smoke,temperature,CO and CO₂ multi-sensor detection device.Then the common fire materials and the nuisance sources were used to carry out true and false fire tests in a simulated cargo.The information on characteristics of fire was extracted from the test data,and a multi-parameter alarm algorithm was developed.The results show that the real fire produces a large amount of CO and CO₂,and their mass concentrations increase greatly,that the false fire produces only a very small amount of CO and CO₂,and the concentrations are almost the same as the environment,that the multi-sensor fire alarm device can accurately distinguish the true from false fire source,and reduce the false alarm rate,and that the multi-parameter alarm algorithm responds to fire faster than the single parameter algorithm.

Key words: aircraft fire detectors, multi-sensor, CO₂ gas concentration, false alarm rate, alarm algorithm

中图分类号:

X932

何永勃, 董玉珊, 雷建, 张文杰, 薛荣荣. 飞机货舱火灾多传感器探测方法研究[J]. 中国安全科学学报, 2018, 28(5): 74-79.

HE Yongbo, DONG Yushan, LEI Jian, ZHANG Wenjie, XUE Rongrong. Research on multi-sensor method for detecting aircraft cargo fire[J]. China Safety Science Journal, 2018, 28(5): 74-79.

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飞机货舱火灾多传感器探测方法研究

Research on multi-sensor method for detecting aircraft cargo fire

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