Battery Tray Asymmetric Protrusions Prevent Misinsertion
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Solution Overview
Problem
Secondary batteries are often incorrectly inserted into trays due to lack of directional guidance, leading to potential misalignment and safety issues during transportation and storage.
Innovation Solution
A tray design featuring protrusions on the sidewalls to contact the first electrode terminal of the secondary battery, along with support members and grooves to ensure proper alignment and prevent erroneous insertion, and a short-circuit mechanism to prevent overcharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tray is designed without protrusions or directional features, then the tray structure is simple and easy to manufacture, but the secondary battery may be incorrectly inserted in wrong orientations
Solution Approach 1:
The tray employs asymmetric protrusions on specific sidewalls that correspond to asymmetric electrode terminal positions on the secondary battery. This asymmetric design creates a unique fit where only the correctly oriented battery can be inserted, while misoriented batteries are physically blocked by the protrusions, thereby preventing incorrect insertion without requiring complex mechanisms
2Reliability
If protrusions are added to the tray sidewalls to contact electrode terminals, then incorrect insertion is prevented, but the tray manufacturing complexity increases
Solution Approach 1:
The tray design incorporates discrete protrusion features on specific sidewalls rather than requiring complete redesign of the entire tray structure. These localized protrusions can be integrated into existing tray manufacturing processes with minimal additional complexity, as they represent small, segmented additions to the sidewall geometry rather than a complete structural overhaul
3Ease of operation
If the tray accommodates secondary batteries without directional guidance, then the tray is simple in design, but the batteries may be placed in wrong orientations leading to safety issues
Solution Approach 1:
The asymmetric protrusions on the tray sidewalls create a natural directional guide that physically prevents insertion of batteries in wrong orientations. The protrusions are positioned to align with specific electrode terminals, providing intuitive directional feedback to operators and ensuring correct battery placement without requiring complex guidance mechanisms or additional components
Data Source
AI summary
A tray for accommodating a secondary battery is provided, the tray including a plurality of accommodation parts in which secondary batteries are accommodated, wherein each of the accommodation parts includes a bottom portion on which the secondary battery is mounted, sidewalls protruding from the bottom portion and supporting side surfaces of the secondary battery, and a protrusion protruding towards each of the accommodation parts on the sidewalls.