Vehicle Battery Fixing Bracket for Collision Displacement Control
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Solution Overview
Problem
Large batteries face challenges in being mounted on vehicle body frames with pre-assembled restricting members, and enlarging the frame to accommodate them can lead to significant design changes and hinder the attachment of other components.
Innovation Solution
A battery fixing structure with a battery mounting member, a bracket, and restricting members that are integrated with the vehicle body frame, allowing for adjustable positioning and shape changes to accommodate various battery sizes without altering the frame design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the vehicle body frame is enlarged to accommodate large batteries, then the battery mounting capacity is improved, but the device complexity and manufacturing difficulty increase significantly
Solution Approach 1:
The vehicle body structure is divided into the frame and separate brackets that are not pre-assembled into the frame. The brackets are designed as independent components that can be attached later, allowing the frame to maintain its original design while accommodating different battery sizes through interchangeable brackets.
Solution Approach 2:
The bracket design allows for shape changes and positional adjustments to accommodate various battery sizes. The brackets can be modified or replaced depending on the battery dimensions, providing adaptability without requiring changes to the fundamental frame structure.
2Reliability
If restricting members are pre-assembled into the vehicle body frame, then the battery restriction function is improved, but the adaptability to different battery sizes deteriorates
Solution Approach 1:
The restricting member function is segmented from the frame and integrated into separate brackets. This allows the brackets to be designed and configured specifically for different battery sizes while the frame remains unchanged. The brackets serve as adaptable interfaces between the fixed frame and variable battery dimensions.
Solution Approach 2:
The brackets are designed to perform multiple functions: providing structural support for the battery, incorporating restricting members for collision protection, and adapting to different battery sizes and shapes. This multi-functionality allows a single bracket design to serve various battery configurations.
3Volume of moving object
If the vehicle body frame is modified to accommodate large batteries, then the battery mounting capacity is improved, but the attachment of other components becomes difficult
Solution Approach 1:
The bracket system is designed as a separate, modular component that interfaces with the frame at defined attachment points. This segmentation allows other vehicle components to be attached to the frame without interference from the battery mounting system, maintaining manufacturing ease while accommodating large batteries.
4Stability of the object's composition
If restricting members are designed together with the vehicle body frame, then the integration is improved, but the flexibility for battery size changes deteriorates
Solution Approach 1:
The restricting member system is segmented into the bracket components rather than being permanently integrated into the frame. This allows the frame to maintain its stable, fixed design while the brackets provide the necessary flexibility and adaptability for different battery configurations through their modifiable nature.
Data Source
AI summary
A battery fixing structure includes a battery mounting member configured to support a battery in an engine room of a vehicle, a bracket configured to join a vehicle body panel of the vehicle to a vehicle body frame of the vehicle on an outer side of the battery mounting member in a vehicle width direction of the vehicle, and a first restricting member provided integrally to the bracket and disposed at a first position which is opposite to an outer surface of the battery in the vehicle width direction, the battery being configured to move to the first position in a case where the battery is displaced toward an outer side of the vehicle width direction when the vehicle collides. The first restricting member is joined to the battery mounting member.