JP2017001441A5

JP2017001441A5 -

Info

Publication number: JP2017001441A5
Application number: JP2015114957A
Authority: JP
Filing date: 2015-06-05
Publication date: 2018-03-01
Anticipated expiration: 2035-06-05

Claims

Having a battery pack attached to the floor panel of the vehicle;
The battery pack has a lower case in which a flange-shaped first joint is formed in the circumferential direction and an upper in which a flange-shaped second joint is formed to be joined to the first joint in the circumferential direction. A main body case that has a case and accommodates a battery module; and a bracket that is installed inside the main body case so as to be sandwiched between the first joint portion and the second joint portion.
The battery pack is a vehicle battery pack mounting structure that is fixed to the floor panel via fastening portions provided at both ends of the main body case in the vehicle width direction,
The bracket is installed separately from both ends in the vehicle width direction of the main body case toward the inner side in the vehicle width direction of the main body case,
Thereby fastened to the front-rear direction front end of the vehicle in the rear direction front end portion of the first joint and the second joint portion of the vehicle of the bracket, said front-rear direction rear end of the vehicle of the bracket by fastening in the front-rear direction rear end of the vehicle of the first joint and the second joint portion, the front-rear direction rear end of the vehicle the bracket from the front-rear direction front end of the vehicle of the main body case Set up over the
The vehicle battery pack mounting structure, wherein the battery module is installed below the bracket so as to overlap the bracket in a vertical direction of the vehicle.

When fastening portions provided at both ends of the main body case in the vehicle width direction are first fastening portions, a second fastening portion is provided at the front end in the front-rear direction of the vehicle in either the lower case or the upper case. Provided,
2. The vehicle battery pack mounting structure according to claim 1, wherein at least a part of the second fastening portion is installed at a position overlapping the bracket in a vertical direction of the vehicle.

The bracket has a plurality of convex portions and a plurality of concave portions extending in the front-rear direction of the vehicle,
The mounting structure for a vehicle battery pack according to claim 2, wherein the convex portions and the concave portions are alternately continuous in the vehicle width direction.

The convex portion and the concave portion is formed over the front-rear direction front end of the vehicle in the front-rear direction rear end of the vehicle,
The first which sandwich the convex portion and the convex portion in the vertical direction of the vehicle by the junction and the second junction to claim 3, wherein the bracket is attached to the main body case The vehicle battery pack mounting structure described.

When the bracket is a first bracket, the first bracket is provided with a pair of second brackets having a U-shaped longitudinal section,
The pair of second brackets are installed side by side in the front-rear direction of the vehicle, and extend in a direction orthogonal to the extending direction of the convex portion and the concave portion,
4. The vehicle battery pack mounting structure according to claim 3 , wherein a high voltage device is mounted on the pair of second brackets.

Wherein the upper case to form a bulge bulge out in the vertical direction above the vehicle such that high vehicle width direction central portion with respect to the vehicle width direction end portions of the battery module,
The high-voltage device is accommodated in the main body case so as to be positioned below the bulging portion,
The vehicle battery pack mounting structure according to claim 5 , wherein the bulging portion is installed so as to overlap the first bracket in the vertical direction when viewed from above in the vertical direction of the vehicle.

The battery pack is the first in the vehicle width direction end portion of the bracket, and, before and after the portion between the direction of vehicle width direction end of the upper case and the lower case of the vehicle of the pair of second brackets A third bracket for connecting the first joint and the second joint of a portion;
The connection position of the third bracket, the first joint portion, and the second joint portion is installed forward in the front-rear direction of the vehicle with respect to the first fastening portion. 5. A mounting structure for a vehicle battery pack according to 5 .

The vehicle battery pack mounting structure according to claim 7, wherein the high-voltage device is provided to be biased toward the third bracket with respect to a vehicle width direction central portion of the first bracket. .

A plurality of convex portions extending in the vehicle width direction and spaced apart in the front-rear direction of the vehicle are formed on the bottom surface of the lower case,
The upper surface of the both vehicle transverse direction end portions of the convex portion of the lower case, the base bracket for connecting the convex portions of the lower case to be separated in the longitudinal direction of the vehicle is provided, attached to the battery module to the bracket for the pedestal The vehicle battery pack mounting structure according to any one of claims 3 to 8, wherein the vehicle battery pack mounting structure is provided.

The battery pack has a battery module management device that manages the battery module;
The battery module management apparatus, the first bracket, the battery module and the claims from claim 5, characterized in that it is installed in a space surrounded by the wall portion in the longitudinal direction front side of the vehicle of the lower case 8 The vehicle battery pack mounting structure according to any one of the preceding claims.