Bus Bar Module Layout Using Split Flexible Printed Circuits
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Solution Overview
Problem
Conventional bus bar modules using flexible printed circuits face increased manufacturing, component mounting, transportation, and storage costs due to the length of the flexible printed circuit.
Innovation Solution
A bus bar module design comprising a first module with a flexible printed circuit and a second module with a connectable substrate and bus bars, allowing the flexible printed circuit to be divided into two parts, reducing costs while maintaining functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a long flexible printed circuit is used to connect bus bars, then electrical connectivity is maintained, but manufacturing cost and component mounting cost increase
Solution Approach 1:
The flexible printed circuit is divided into multiple separate flexible printed circuits, each connecting adjacent bus bars. This segmentation reduces the overall length of individual circuits, lowering manufacturing and mounting costs while maintaining electrical connectivity through the series connection of multiple segments.
2Reliability
If a long flexible printed circuit is used, then electrical connectivity is maintained, but transportation cost and storage cost increase
Solution Approach 1:
By dividing the flexible printed circuit into multiple shorter segments, the length of each individual circuit is reduced. This makes transportation and storage more efficient and cost-effective while the segmented circuits can be assembled to achieve the required total electrical connection length.
Data Source
AI summary
A bus bar module includes: a first module including a first substrate that is a flexible printed circuit, and a device connection unit that connects a circuit of the first substrate to an external device; and a second module including a second substrate configured to be connectable to the first substrate, and at least one bus bar connected to a circuit of the second substrate. The first module may have at least one bus bar connected to the circuit of the first substrate.