| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a power supply device capable of smoothly introducing the cooling air for a battery into a battery box by eliminating risk of clogging of the air passage with impurities such as sea water, rainwater, dust, etc., likely to intrude together with the cooling air protecting the battery from rust and damage by precluding such impurities from contacting the battery, and preventing trouble such as short-circuiting. SOLUTION: A battery box 2 accommodates a plurality of battery modules 12 and is furnished with a cooling air intake 21 for cooling the battery, an air exhaust hole 22, and a liquid sump 23 provided around the part under the intake 21. The intake 21 is furnished with fins 24 downward aslant to the outside of the battery box 2.</p> |
