Transformer Base Structure for Compact Insulation Separation
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Solution Overview
Problem
Transformer devices face limitations in reducing size due to the structure of wound coils around bobbins, which also complicates securing insulation between the primary and secondary sides.
Innovation Solution
A base structure with specific walls and covers is introduced to secure insulating distances between core and secondary electronic devices, primary and secondary electronic devices, and between these devices and connectors, allowing for a compact transformer design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a wire type coil is wound around a bobbin, then the transformer device can be manufactured with conventional structure, but the size of the bobbin and total transformer device cannot be reduced
Solution Approach 1:
The base is divided into multiple functional walls including an inner wall, an outer wall, and partition walls that extend in different directions. This segmentation allows each wall to serve specific purposes: the inner wall provides support, the outer wall defines boundaries, and partition walls create insulated regions, collectively enabling compact design while maintaining necessary clearances
Solution Approach 2:
The base structure utilizes three-dimensional spatial arrangement with walls extending in multiple directions (first direction parallel to upper surface, second direction crossing the first direction). This multi-dimensional configuration optimizes space utilization, allowing the transformer device to achieve compact footprint while preserving insulation distances through vertical and horizontal wall extensions
2Volume of moving object
If the transformer device is manufactured in compact size, then the total size is reduced, but it is difficult to secure insulation between primary side and secondary side
Solution Approach 1:
Partition walls extend from the outer wall in a third direction crossing the upper surface of the support plate, dividing the base into distinct regions. These partition walls create physical barriers that maintain required insulation distances between primary and secondary electronic devices, preventing electrical interference while enabling compact overall dimensions
Solution Approach 2:
The base structure itself acts as an intermediary insulating element between primary and secondary components. The outer wall and partition walls, extending in multiple directions, provide built-in insulation barriers that eliminate the need for additional external insulating materials, thereby securing reliable insulation in a compact design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures adequate insulation distances, enabling the miniaturization of transformer devices while maintaining safety standards.
Implementation Method 1
a primary coil and a secondary coil that are magnetically coupled to the core
Implementation Method 2
transformer device (or a transformer) for converting an alternating current to a direct current
Data Source
AI summary
A base includes a support plate, an inner wall provided on the support plate, an outer wall arranged apart from the inner wall in a first direction parallel to an upper surface of the support plate, and an insulating cover protruding from the outer wall in the first direction, wherein the outer wall and the inner wall extend in a second direction crossing the first direction.