| 摘要 |
PURPOSE: To provide a battery charging device capable of intermittently charging a battery without feeding electric power from the outside. CONSTITUTION: The first fan 7 rotated by the wind pressure when a car is lifted is fitted to the shaft 7a of a generator 8. When the car is lifted, the first fan 7 is rotated by the wind pressure, and the generator 8 generates electric power. The generated electric power is fed to a battery via a wire 8a, and the battery can be charged. Since the battery is charged only when the car is lifted, it can be simply charged in the power saving mode. The overcharge of the battery can be prevented, and the life of the battery can be extended. |
