| 摘要 |
In a fire alarm device for detecting the physical quantities of substances arising from the outbreak of a fire and giving a fire alarm, membership functions showing the correlation between an arising quantities calculated by the detected physical quantities and the danger degree which a man would feel with respect to the physical quantities are preset, the danger degree with respect to the arising value calculated by the physical quantities actually detected by a detection means is obtained by using the membership functions, and an alarm and control in accordance with the danger degree is given. Therefore, there is provided a fire alarm device capable of judging the outbreak of a fire based on an actual fire situation and giving an alarm and control in accordance with the degree of danger which a man would feel with respect to the scale, situation and so on of the fire.
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