| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting fixture which can be lighted in a situation requiring lighting in case of power outage of an external power supply.SOLUTION: A lighting fixture 10 includes a light source 2, an emergency power supply 3, a power source circuit part 4, and a brightness sensor 5. The brightness sensor 5 detects brightness around the lighting fixture 10. The power supply circuit part 4 charges up the emergency power supply 3 by a commercial power supply 1 in a state where the commercial power supply 1 is normally supplied, and lights the light source 2 by the emergency power supply 3 in case of power outage of the commercial power supply 1. The power supply circuit part 4 has a normal mode where the light source 2 is lighted, and an intermission mode where the light source 2 is turned off to select the normal mode or the intermission mode in accordance with the detection result of the brightness sensor 5 when the commercial power supply 1 becomes power outage. |
