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| Fire alarm system design and data processing of exhaust fume chimney of large kitchen |
| Hu Kangfei, Gao Fei, Shen Yong, Kong Lingling |
| School of Electrical and Information Engineering, Yunnan Minzu University, Kunming 650504 |
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Abstract Based on the research and analysis of the causes and characteristics of fires of exhaust fume chimney of large kitchen, this paper designs a fire early warning system scheme for kitchen exhaust fume ducts. The system adopts SIEMENS S7-1200 programmable logic controller as the core controller. The wireless and wired methods based on the bare PT-100 temperature sensor are selected as the temperature acquisition means. The data acquisition device and controller are realized hardware connection and data transfer by RS-485 and Modbus protocols. After the actual measurement of the surface temperature change characteristics of the exhaust fume chimney, using the least squares method predicts the surface temperature of the exhaust fume ducts and identifies the sudden temperature rise state, so as to achieve the purpose of warning fire of the exhaust fume chimney.
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Received: 17 April 2019
Published: 29 September 2019
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| Cite this article: |
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Hu Kangfei,Gao Fei,Shen Yong等. Fire alarm system design and data processing of exhaust fume chimney of large kitchen[J]. Electrical Engineering, 2019, 20(10): 118-122.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2019/V20/I10/118
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2019, Vol. 20 
