|Table of Contents|

[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]

Solution of false alarm and slow response in flame detector()

Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

2019 2
Research Field:
Publishing date:


Solution of false alarm and slow response in flame detector
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
flame detector rapid response low false alarm rate derivative
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.


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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