| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a rush current is increased to malfunction a fire receiver when the capacity of a capacitor for stabilizing operation of a fire detector is increased in a conventional fire detector.SOLUTION: A fire detector 30 comprises: a first capacitor 32; a second capacitor 33; a first current limiting part 34 for limiting the charging current of the first capacitor 32; a second current limiting part 35 for limiting the charging current of the second capacitor 33; and a current carrying part 41 for connecting the first capacitor 32 with the second capacitor 33 when the voltage of the first capacitor 32 is equal to or less than a predetermined voltage. |
