Vehicle Power Storage Layout for Side-Impact Shock Resistance
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Solution Overview
Problem
Existing power storage units for vehicles lack sufficient durability against side impacts and may not be optimally arranged to match the desired vehicle width, leading to inefficiencies in space utilization and shock resistance.
Innovation Solution
A power storage unit design featuring power storages with specific side portion arrangements, where first and second power storages are arranged in horizontal alignment with short sides parallel to the front/rear direction and long sides parallel to the vehicle width, while at least one third power storage is arranged in longitudinal alignment, enhancing support and shock distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If power storages are arranged in longitudinal arrangement on one side in the width direction, then space utilization is improved, but durability against side impact deteriorates
Solution Approach 1:
The power storage unit is segmented into multiple power storages arranged in different orientations. Specifically, first and second power storages are arranged in longitudinal arrangement on opposing sides, while at least one third power storage is arranged in horizontal arrangement between them. This segmentation allows different regions to serve different functions: longitudinal arrangement optimizes space utilization while horizontal arrangement provides shock resistance against side impacts.
2Reliability
If power storages are arranged in horizontal arrangement in the entire width direction, then durability against side impact is improved, but adaptability to desired vehicle width deteriorates
Solution Approach 1:
Different arrangement configurations are applied to different local regions of the power storage unit. The first and second power storages on opposing sides use longitudinal arrangement to accommodate varying vehicle widths, while the third power storage in the intermediate region uses horizontal arrangement to provide shock resistance. This local differentiation allows the system to simultaneously achieve adaptability to vehicle width and durability against side impact.
Data Source
AI summary
A power storage unit includes power storages each including a long side portion and a short side portion, each of the power storage being in a longitudinal shape. The power storages include first power storages arranged on one side in a first direction, second power storages arranged on the other side in the first direction, and at least one third power storage arranged between the first power storages and the second power storages. The first power storages and the second power storages are arranged as being aligned in a second direction in horizontal arrangement, and the at least one third power storage is arranged in longitudinal arrangement.