COMPACT POWER SUPPLY DEVICE FOR A MOTOR VEHICLE COMPRISING COOLING MEANS PROVIDED WITH AN EXTERNAL HEAT SINK

摘要

The invention relates to a power supply device (10) for a motor vehicle, which is used to connect at least one electrical machine (12) to a battery (16) of the vehicle, and comprises a single housing (32) containing at least one unit (20) for storing electrical energy, said housing (32) comprising a bay (34) for receiving at least one unit for storing electrical energy (20). The inventive device (10) comprises means for cooling the storage units (20), and is characterised in that the cooling means comprise a heat sink (56) arranged outside the bay (34), and means (58, 70, 64) for transferring the heat produced by the storage units (20) to the heat sink (56).