Bus Bar Protector Engagement Mechanism
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Solution Overview
Problem
Conventional bus bar protectors fail to maintain an engaged state due to external forces like vibration and impact, leading to potential opening and compromised insulation reliability.
Innovation Solution
A bus bar protector design featuring a first cover with engagement pieces that project towards and bend towards a second cover, along with a lock portion, to securely engage and lock the covers together, preventing movement away from the bus bar, thus enhancing insulation reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If only slide contact between walls is used to maintain covered state, then the structure is simple, but the cover can be opened due to vibration and impact
Solution Approach 1:
The cover is divided into multiple functional elements: receiving cover portion, holding cover portion, engagement pieces with bent portions, and lock portions. Each segment performs a specific function - the engagement pieces maintain the covered state through their bent geometry while the lock portions prevent opening during vibration and impact, resolving the contradiction between simple structure and reliable insulation.
2Reliability
If engagement pieces are added to engage with the second standing cover, then insulation reliability is improved, but device complexity increases
Solution Approach 1:
The engagement pieces combine multiple functions in a single component: they provide structural support, maintain the covered state through their bent portions engaging with the second standing cover, and work integrally with the lock portions. This merging approach improves insulation reliability while minimizing the increase in device complexity by consolidating functions rather than adding separate components.
Data Source
AI summary
A bus bar protector is configured to cover a bus bar having a flat plate portion and a standing portion standing from an end of the flat plate portion, and includes a first cover that covers one face of the bus bar and a second cover that covers another face of the bus bar. The first cover includes a first flat plate cover that covers the flat plate portion of the bus bar, and a first standing cover that covers the standing portion of the bus bar. The second cover includes a second flat plate cover that covers the flat plate portion of the bus bar, and a second standing cover that covers the standing portion of the bus bar. The first standing cover includes a pair of engagement pieces arranged to project toward the second standing cover and bent toward each other to engage with the second standing cover.