Battery Terminal Guard Structure for Vibration and Impact Resistance
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Solution Overview
Problem
Conventional energy storage apparatuses lack sufficient vibration and impact resistance, as they do not have protective members for external terminals, which can be damaged by external vibrations or impacts.
Innovation Solution
The energy storage apparatus includes a side member with a projecting portion that extends beyond the external terminal, providing protection by preventing contact with other members during vibrations or impacts, and may also feature a recessed portion for wiring and a wall portion for additional support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If no protective member is disposed for the external terminal, then the device complexity is reduced, but the vibration resistance and impact resistance deteriorate
Solution Approach 1:
The side member is divided into a body portion and a projecting portion, where the projecting portion specifically protects the external terminal while the body portion provides overall structural support. This segmentation allows targeted protection without adding a completely separate protective component.
Solution Approach 2:
The side member serves multiple functions: it provides structural support for the energy storage device, houses the external terminal, and protects the terminal through its projecting portion. This multi-functionality reduces the need for additional dedicated protective components.
2Reliability
If a protective member is added for the external terminal, then the vibration resistance and impact resistance are improved, but the device complexity increases
Solution Approach 1:
The protective function is merged into the side member itself through the projecting portion, rather than adding a separate protective component. This integration maintains structural simplicity while providing necessary protection for the external terminal.
Solution Approach 2:
The side member is designed to perform multiple functions including structural support, terminal housing, and impact protection through its projecting portion. This multi-functionality avoids the need for additional dedicated protective parts.
3Ease of operation
If the external terminal is disposed at the end portion, then the ease of operation is improved, but the vulnerability to external vibration and impact increases
Solution Approach 1:
The projecting portion of the side member is designed to contact and prevent contact between the external terminal and other members before impact can occur. This preliminary protective action prevents damage while maintaining terminal accessibility at the end portion.
Data Source
AI summary
An energy storage apparatus includes an energy storage device unit including an energy storage device and an external terminal, in which the external terminal is disposed on an end portion of the energy storage device unit in a first direction, the energy storage device unit further includes a side member disposed in a second direction with respect to the energy storage device, the second direction intersecting the first direction, and the side member includes a projecting portion projecting more than the external terminal in the first direction.