Recessed Battery Connector Layout for Scratch-Resistant Coupling
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Solution Overview
Problem
Batteries are prone to damage and scratches during attachment/detachment operations, leading to potential disconnection issues due to manual handling, which can result in falls or contacts with other structures.
Innovation Solution
A battery design featuring a casing with a concave part arrangement that positions the connector further inside the casing than the exterior face, with inclining faces acting as guides for electrode terminals, reducing the risk of damage and ensuring secure connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the connector is arranged at the exterior face of the battery casing for easy connection, then the ease of operation is improved, but the reliability deteriorates due to increased risk of damage and scratches during handling
Solution Approach 1:
The connector is nested within a concave part of the battery casing, positioned recessed from the exterior face. This nesting arrangement protects the connector from external damage while maintaining connection functionality, as the concave part provides a protective cavity that shields the connector during handling and attachment operations.
Solution Approach 2:
The concave part acts as an intermediary structure between the exterior face and the connector. It provides a transition zone with guide faces that facilitate safe insertion while protecting the connector from direct exposure to external forces, scratches, and damage during attachment and detachment operations.
2Ease of operation
If manual attachment/detachment operations are used, then the ease of operation is improved, but the reliability deteriorates due to potential falls and contact with other structures
Solution Approach 1:
The concave part provides beforehand cushioning for the connector by creating a protective recess that cushions the connector against impacts and scratches during manual handling. The guide faces within the concave part further cushion the insertion process, reducing the risk of damage before connection is established.
3Volume of moving object
If the connector is positioned closer to the exterior face for compact design, then the volume is reduced, but the reliability deteriorates due to increased exposure to damage
Solution Approach 1:
The connector is nested within the concave part of the casing, utilizing the existing structural space efficiently. This nesting approach protects the connector without significantly increasing the overall battery volume, as the concave part is formed within the existing casing geometry rather than adding external protrusions.
Data Source
AI summary
A battery includes: a casing that includes a plurality of exterior faces having outer faces facing mutually-different directions and has an arrangement concave part formed; a cell that is housed inside the casing; and a connector that includes a connection terminal connected to an electrode terminal of a connection apparatus and is arranged in the arrangement concave part, in which a face forming the arrangement concave part of the casing is formed as a concave part forming face, and the concave part forming face is present between the exterior faces and the connector.