Safety reinforcement procedure in the operation of a vehicle voltage maintenance device

摘要

Safety reinforcement procedure in the operation of a voltage maintenance device (DMT) consisting of supercapacities and a DC / DC converter, said device being used for starting or restarting the thermal engine of a vehicle, the vehicle comprising a connected battery to an electric machine (10) as well as to said device (DMT), said device being connected, by a multiplexed network (12), to the electric machine (10) and to a computer (14), the procedure being characterized by said The voltage maintenance device (DMT) can only be activated by placing the supercapacities in series with the battery, if you have previously received an activation authorization message (16, 18) over the multiplexed network.