| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an on-vehicle battery pack in which dew condensation water generated during cooling of a battery can be favorably discharged to the exterior while moisture is prevented from intrusion into a battery case.SOLUTION: A cooling unit includes a storage part for storing dew condensation water and a discharge hole for discharging the dew condensation water stored in the storage part to the exterior, and further includes opening/closing control means comprising an attachment/detachment drive unit for attaching a plug member to and detaching the plug member from the discharge hole, and a control part for controlling the attachment/detachment drive unit. The attachment/detachment drive unit comprises a rack gear provided to a shaft member to the tip of which the plug member is fixed, and a pinion gear which engages with the rack gear. The control part drives the attachment/detachment drive unit according to increase of the generation rate of the dew condensation water in the storage part thereby opening the discharge hole.</p> |
