| 摘要 |
PROBLEM TO BE SOLVED: To provide an emergency lamp capable of preventing wasteful discharge of a storage battery. SOLUTION: In this emergency lamp A, a lighting circuit for normal times 40 for lighting up a fluorescent lamp 18 by a commercial AC power supply 39 and a lighting circuit for emergency 42 to light up the fluorescent lamp 18 by the storage battery 29 charged by the commercial AC power supply 39 via a charge circuit 43 are switched by the relay switches SW1, SW2, SW3, SW4 of a relay coil Ry for emergency detection. A timer TM, for adjust and set the lighting time of the fluorescent lamp 18 in an emergency, is connected parallel to the storage battery 29, and one of the relay switches SW1, SW2, SW3, SW4 is determined to be opened, after the setting time of the timer TM has elapsed. |
