Movable Terminal Block for Coil Device Alignment
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Solution Overview
Problem
The existing coil devices face challenges in accurately positioning and connecting terminal fittings to circuit boards or connectors, leading to increased manufacturing complexity and costs due to the need for precise alignment.
Innovation Solution
A coil device design where the terminal block is movable in multiple axes relative to the bobbin, allowing for easy positioning and connection of the terminal to a connection target without requiring precise alignment, facilitated by loose engagement convex and concave portions for adjustable attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the terminal block is fixed to the bobbin with precise alignment, then the connection precision is improved, but the manufacturing complexity and cost increase
Solution Approach 1:
The terminal block is designed to be movable relative to the bobbin in multiple directions (X, Y, Z axes) through a guide structure with grooves and protrusions. This dynamic design allows the terminal block to adjust its position automatically during assembly, eliminating the need for precise pre-alignment in the manufacturing process while maintaining accurate connection capability.
2Manufacturing precision
If the terminal block is fixed to the bobbin with precise alignment, then the connection precision is improved, but the manufacturing cost increases
Solution Approach 1:
The movable terminal block design with guide grooves and protrusions enables automatic positioning during assembly, reducing or eliminating the need for expensive precision alignment equipment and processes. This dynamic adjustment capability simplifies manufacturing operations and reduces associated costs.
3Ease of operation
If the terminal is movable in multiple axes, then the ease of positioning is improved, but the device complexity increases
Solution Approach 1:
The terminal block is designed with movable capability in multiple axes through a guide structure consisting of grooves and protrusions that allow controlled movement. This dynamic structure enables easy positioning while maintaining manageable complexity through straightforward mechanical guidance.
Solution Approach 2:
The positioning function is segmented into independent directional movements along X, Y, and Z axes, each controlled by specific guide grooves and protrusions. This segmentation allows simple, controlled movement in each direction without requiring complex multi-axis mechanisms simultaneously.
4Productivity
If the terminal block is movable relative to the bobbin, then the assembly efficiency is improved, but the structural complexity increases
Solution Approach 1:
The terminal block's movable design allows for quick positioning and adjustment during assembly operations, significantly improving assembly efficiency. The guide grooves and protrusions provide straightforward mechanical guidance that maintains structural simplicity while enabling dynamic adjustment capabilities.
Data Source
AI summary
A coil device includes a bobbin, a terminal, and a terminal block. The bobbin includes a winding portion for winding a wire around an outer circumference of the winding portion. The terminal is connectable with an end of the wire. The terminal block holds the terminal. The terminal is movable both in a first axis and a second axis of the bobbin.