Electrical architecture of a motor vehicle comprising a distribution box for at least one switched power supply, method for its use, and a motor vehicle incorporating it

摘要

Disclosed is an electrical architecture of a motor vehicle with a power supply switched by a relay, for example the + APC. The architecture comprises a controllable resistive load (60) ensuring a consumption of, for example at least 500 mA, connected to the output of said relay and controlled by a computer (30) according to a control law The controlled resistive load is not activated only when the vehicle speed is zero, or very close to 0. This makes it possible to limit the duration of the supply of the resistive load, and consequently the heat dissipation, the electric consumption and the CO2 emissions during the entire journey. by ensuring consumption on the switched supply voltage + APC in the phases where the driver is likely to cut the ignition and thus cause the opening of the + APC relay. Figure for the abstract: f ig ure 2