| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling structure of a vehicle battery pack that can stabilize output performance of a battery, prevent occurence of a noise to reduce discomfort felt by a crewmember and protect the battery from bad effect caused by pouring water.SOLUTION: In the cooling structure of a battery pack 1 in which a battery 12 and a cooling fan 13 for fanning cooling air are arranged in a case 11 comprising an introduction port 16 for introducing the cooling air inside and discharge port 17 for discharging the cooling air outside, the introduction port 16 is arranged below the discharge port 17 in the vehicle vertical direction of the battery pack and the discharge port 17 is connected with the introduction port 16 through a cooling air circulation tube 14 outside the case 11 for communicating with each other through the cooling air circulation tube 14. In the middle of the cooling air circulation tube 14 is interposed a radiator 15, and the radiator 15 is arranged at a position where air hits that flows under a rear floor panel 104. |
