[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()

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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

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

Keywords:

flame detector;  rapid response;  low false alarm rate;  derivative

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.

References:

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[9] Li Y, Zhang G S, Lu L K, et al. Research on the stability of IUR76-I/IUR76-P test systems for flame detectors and related national standards [C]//International Conference on Test and Measurement. Hong Kong, China, 2009:220-222.
[10] Liu Y Y. Design and implementation of recognition algorithm based on four-band infrared flame detector [C]//Chinese Control and Design Conference(CCDC). Shen-yang, China, 2018:5639-5643.

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.

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