Vehicular battery pack device

摘要

A battery pack device in which a battery module is incorporated in a battery case and a rear floor panel is disposed between a rear seat and a back panel that is disposed in a rear of the rear seat, and which is mounted on a vehicle body via a subframe so as to be disposed in an opening of the rear floor panel, and is provided with an air intake duct through which to send a cooling wind to inside the battery case and an air discharge duct through which to discharge air from inside the battery case, wherein the subframe is provided as defined herein, a bottom cover is attached to the subframe as defined herein, a rear end portion of the bottom cover is provided as defined herein, and an air outlet of the air discharge duct is opened as defined herein.

主权项

1. A battery pack device in which a battery module is incorporated in a battery case and a rear floor panel is disposed between a rear seat and a back panel that is disposed in a rear of the rear seat, and which is mounted on a vehicle body via a subframe so as to be disposed in an opening of the rear floor panel, and is provided with an air intake duct through which to send a cooling wind to inside the battery case and an air discharge duct through which to discharge air from inside the battery case, wherein:
the subframe has a support frame which surrounds the battery case and a support member which is attached to a rear end portion of the support frame so as to extend downward so that its bottom end portion is located below a bottom-front portion of a rear bumper; a bottom cover is attached to the subframe so as to cover a bottom portion of the battery case; a rear end portion of the bottom cover is provided with a guide plate which covers a bottom portion of a space interposed between the battery case and the rear bumper, is opposed to the rear bumper with a gap formed in between, and is supported by the bottom end portion of the support member; and an air outlet of the air discharge duct is opened in a first space that is surrounded by the guide plate, the rear bumper, a rear side surface of the battery case, a rear side surface of the support member, and the rear floor panel.