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[1] Song Wengang, Zhang Lijun, Zheng Zhanqi, et al. Solution of false alarm and slow response in flame detector [J]. Journal of Southeast University (English Edition), 2019, 35 (2): 174-178. [doi:10.3969/j.issn.1003-7985.2019.02.005]
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Solution of false alarm and slow response in flame detector()
火焰探测器中虚警和慢响应的问题解决
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
35
Issue:
2019 2
Page:
174-178
Research Field:
Automation
Publishing date:
2019-06-30

Info

Title:
Solution of false alarm and slow response in flame detector
火焰探测器中虚警和慢响应的问题解决
Author(s):
Song Wengang1;  2;  Zhang Lijun1;  Zheng Zhanqi1;  Wang Guanying1;  Zhang Jianming3
1 Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China
2 School of Microelectronics, University of Chinese Academy of Sciences, Beijing 100190, China
3 Wuhan Binhu Electronic Limited Liability Company, Wuhan 430205, China
宋文刚1;  2;  张立军1;  郑占旗1;  王冠鹰1;  张建明3
1中国科学院微电子研究所, 北京100029; 2中国科学院大学微电子学院, 北京100190; 3武汉滨湖电子有限责任公司, 武汉430205
Keywords:
flame detector;  rapid response;  low false alarm rate;  derivative
火焰探测器;  高速响应;  低误报;  求导
PACS:
TP212.1;TP212.9
DOI:
10.3969/j.issn.1003-7985.2019.02.005
Abstract:
A new flame detector with one ultraviolet and two infrared detectors is designed. The ultraviolet detector is of rapid response(≤10 μs)while the two infrared detectors usually have a response time of more than 5 ms. The ultraviolet detector is applied to deal with the flame of large scales. When facing the flame of mid or small scales, the three detectors cooperate. Employing the high-order derivatives of the sample data of the infrared circuits to improve the sensitivity, the response speed is greatly improved. The data of the temperature sensor is used to adjust circuit parameters in real time, thus reducing the effect of temperature drift. The flame detectors are tested at different distances and the response time is as rapid as 0.65 ms. The test results show that the new flame detector has the characteristics of high speed and a low rate of false alarms.
提出了一种带有1个紫外探测器和2个红外探测器的新型火焰探测器, 紫外探测器的响应时间快(≤10 μs), 而2个红外探测器的响应时间通常大于5 ms.用紫外探测器对大面积的火焰进行判别;对于中小型火焰, 3个探测器共同作用.同时, 利用对红外电路采样数据求导的方法来提升火焰探测器灵敏度, 改善中小型火焰条件下的响应速度.根据温度传感器的数值实时调整电路参数, 减小温度漂移的影响.在不同距离对火焰探测器进行测试, 响应时间最快可达0.65 ms, 测试结果表明新型火焰探测器具有高速响应和低误报率的特点.

References:

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Memo

Memo:
Biographies: Song Wengang(1996—), male, Ph.D. candidate; Zhang Lijun(corresponding author), male, professor, zhanglijun@ime.ac.cn.
Foundation item: Project of Special Zone for National Defense Science and Technology Innovation(No.Y7GW04C001).
Citation: Song Wengang, Zhang Lijun, Zheng Zhanqi, et al. Solution of false alarm and slow response in flame detector[J].Journal of Southeast University(English Edition), 2019, 35(2):174-178.DOI:10.3969/j.issn.1003-7985.2019.02.005.
Last Update: 2019-06-20