| 摘要 |
The present invention relates to an overspeed prevention device. The overspeed prevention device includes; a body unit which is installed to protrude from the grond; a piezoelectric element which is installed on the body to be pressed by a vehicle passing through the body to generate electricity; and a thermoelectric element which is installed on the body unit to receive the heat from the outside to generate electricity. The overspeed prevention device can prevent the over-speeding vehicles and be used as a power source. |
