| 摘要 |
A power supply for a vehicle is provided to uniformly cool a battery received in a battery receiving unit by uniformly distributing and blowing air in the air flowing direction of a blower duct. A power supply for a vehicle includes a battery case having a battery receiving unit(3) for receiving a plurality of rechargeable batteries(1), and a blower duct(4) for blowing air to the battery case to cool the batteries(1). The power supply includes a plurality of air holes(6) formed in a partition(5) between the blower duct(4) and the battery receiving unit(3) to be separated from each other in the air flowing direction, and blows the air from the blower duct(4) to the battery receiving unit(3) by passing the air through the air holes(6) or from the battery receiving unit(3) to the blower duct(4) to cool the batteries(1). The power supply includes a plurality of air passages(7) with different lengths in the air flowing direction and formed in the blower duct(4) such that air in the blower duct(4) is distributed to the plurality of air passages(7). |
