| 摘要 |
A fire alarm provided with a sensor set in a fire monitoring section and adapted to detect the variations of physical phenomena accompanying a fire, such as the variations of temperature, densities of smoke and CO gas, a means for calculating primary fire source information including the quantities of generated heat, smoke and gases on the basis of the information detected by the sensor, and a fire judgement means for judging the occurrence of a fire on the basis of the quantity of variations of the fire source information, which are determined by the fire source information calculating means, and the correction between the information, and giving an alarm. |
