| 摘要 |
PROBLEM TO BE SOLVED: To prevent a secondary disaster such as a short circuit due to wiring damage by quickly stopping power supply from a storage battery when an earthquake with a predetermined seismic intensity occurs.SOLUTION: When an earthquake with a predetermined seismic intensity is detected by an acceleration sensor 21, power supply from a storage battery 11 to an electric load 5 is interrupted by operation of a breaker 13. |
