| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device for freezer and cold storage open show- case capable of preventing goods display effect from lowering when illuminance in a shop lowers, by automatically detecting the life of lamps installed in a show-case with respect to all of the plural freezer and the cold storage open show-cases in the shop, so as to enable to cope with non-lighting in a stage before such a situation occurs. SOLUTION: A plurality of open show-cases are installed in a shop, and a plurality of lighting lamps 3, 5, 12 are installed for lighting respective shelves within the cases. In such a case, an inverter stabilizer 11 for lighting each of illuminating lamps 3, 5, 12 of each freezers an the cold storage open show cases is connected through a signal line to an alarm device 13 having an alarm lamp for informing the life of each of the illuminating lamps 3, 5, 12. |
