Electric system of an electric vehicle

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 28/14 (2006.01) B60L 3/00 (2006.01) B60L 3/04 (2006.01) B60L 11/18 (2006.01) B60L 13/00 (2006.01) B60L 15/42 (2006.01) B60R 16/04 (2006.01) H01H 35/14 (2006.01)

Patent

CA 2129858

ABSTRACT OF THE DISCLOSURE An electric system of an electric vehicle including a main battery as a power supply, and a semiconductor power converter for driving a wheel driving motor. Impact destroying switches (301 - 304) are inserted into connecting lines (201 and 203) which connect a main battery (1) to the semiconductor power converter (4), and into a connecting line (202) connecting main battery blocks (110) and (120). Each impact destroying switch breaks its conduction by blasting an explosive in the switch in response to the impact due to a collision of the vehicle body. In case of an emergency such as a collision, since the main battery is instantaneously disconnected from the connecting lines by the switches, the connecting lines become free from the voltage. This makes it possible to prevent fire, and to cut off the vehicle body to save passengers.

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