| 双波段可燃气体探测技术及其电路设计 |
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| 引用本文： | 詹福如,苏国锋,袁宏永. 双波段可燃气体探测技术及其电路设计[J]. 火灾科学, 2002, 11(2): 88-91 |
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| 作者姓名： | 詹福如 苏国锋 袁宏永 |
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| 作者单位： | 中国科学技术大学火灾科学国家重点实验室,合肥,230027 |
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| 摘 要： | 介绍了双波段可燃气体探测技术，设计了探测装置。通过分析探测原理，对信号处理电路进行了改进。结果表明，双波段技术减小了环境因素的影响，非可燃气体对光线的阻挡，不产生误报。改进后的电路系统提高了信号稳定性和灵敏度。
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| 关 键 词： | 红外 双波段 可燃气体 |
| 文章编号： | 1004-5309(2002)02-0088-04 |
| 收稿时间： | 2001-12-20 |
| 修稿时间： | 2002-02-20 |
Technology of Detecting Flammable Gases with Dual Infrared Wavelength and Design of the Circuit |
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| ZHAN Fu-ru,SU Guo-feng and YUAN Hong-yong. Technology of Detecting Flammable Gases with Dual Infrared Wavelength and Design of the Circuit[J]. Fire Safety Science, 2002, 11(2): 88-91 |
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| Authors: | ZHAN Fu-ru SU Guo-feng YUAN Hong-yong |
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| Affiliation: | State Key Laboratory of Fire Science, USTC;State Key Laboratory of Fire Science, USTC;State Key Laboratory of Fire Science, USTC |
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| Abstract: | This paper presents the technology of detecting flammable gases with dual infrared wavelength lights and the design of the gas detection facility. The circuit is improved by analyzing the detecting principle. The results show that the environmental influence is reduced and alarms would not respond to non flammable gases. The reliability and sensitivity of the circuit system are improved as well. |
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| Keywords: | Infrared double wavelength flammable gas |
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