JP2017112032A5 - - Google Patents

Claims (10)

A battery pack mounted on a vehicle including a heat generating part,
A battery module including a plurality of battery cells;
A housing having a first outer surface and containing the battery module;
A first plate-like member fixed to the housing so as to face the first outer surface,
The first outer surface is a surface facing the heat generating portion;
The first plate-like member is interposed between a first fixing portion for fixing the first plate-like member to the housing and the first outer surface connected to the first fixing portion. A first flow path forming portion that forms a first refrigerant flow path extending in the up-down direction,
Battery pack. The first fixing portion is disposed on the first outer surface;
The first flow path forming portion protrudes from the first fixing portion so as to be separated from the first outer surface,
The first plate-like member is fixed to the casing by fastening the first fixing portion to the first outer surface by a fastening member,
The protruding amount of the first flow path forming portion from the first fixed portion is larger than the protruding amount of the fastening member from the first fixed portion.
The battery pack according to claim 1. The first flow path forming portion is formed into a corrugated plate shape by arranging concave and convex portions extending in the vertical direction along the first outer surface.
The battery pack according to claim 1 or 2. The housing includes a bottom surface connected to a lower end of the first outer surface and extending in a direction intersecting the first outer surface,
A groove portion is formed on the bottom surface so as to reach the first outer surface along a direction intersecting the first outer surface.
The battery pack according to any one of claims 1 to 3. The lower end of the first flow path forming part is located between a flat part that defines the groove part on the bottom surface and a bottom part of the groove part,
The battery pack according to claim 4. The lower end portion including the lower end of the first flow path forming portion is inclined so as to approach the first outer surface toward the bottom surface.
The battery pack according to claim 5. A second plate-like member fixed to the casing on a second outer surface opposite to the first outer surface of the casing;
The second plate-like member is provided between a second fixing portion for fixing the second plate-like member to the housing and the second outer surface connected to the second fixing portion. A second flow path forming portion that forms a second refrigerant flow path extending in the up-down direction,
The bottom surface is connected to a lower end of the second outer surface;
The groove extends to reach the second outer surface,
The battery pack according to any one of claims 4 to 6. The second flow path forming portion is made of metal.
The battery pack according to claim 7 . The second flow path forming portion includes a recess extending in the up-down direction, and is spaced from the second outer surface in the recess.
The battery pack according to claim 7 or 8. The first flow path forming part is made of metal.
The battery pack according to any one of claims 1 to 9.