Coupled Winding Core Assembly for Compact High-Current Power Modules
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Solution Overview
Problem
Existing electromagnetic components, such as multi-phase transformer-inductor voltage regulator modules and voltage regulator module circuit board components, are complicated and expensive to manufacture in smaller sizes without compromising performance, particularly in high-power, high-current circuitry applications.
Innovation Solution
The development of surface mount electromagnetic component assemblies with a plurality of magnetically coupled coil windings, utilizing a magnetic core structure with a unique dual-winding arrangement and modular magnetic core pieces, allows for reduced component size while maintaining performance. This design incorporates differently fabricated and thicknessed windings oriented within the magnetic core to minimize footprint and enhance component density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional electromagnetic components are manufactured in smaller sizes, then component size is reduced, but manufacturing complexity and cost increase significantly
Solution Approach 1:
The magnetic core is divided into multiple modular pieces that can be assembled around the windings. This segmentation allows for simplified manufacturing of individual core pieces while achieving the desired compact overall component size when assembled together.
Solution Approach 2:
The patent employs multi-layer winding arrangements stacked in the vertical dimension, allowing multiple windings to occupy different layers within the magnetic core. This dimensional approach reduces the horizontal footprint while maintaining functional performance.
2Volume of moving object
If conventional electromagnetic components are manufactured in smaller sizes, then component size is reduced, but manufacturing cost increases
Solution Approach 1:
The modular core pieces can be manufactured using standard molding processes and then assembled, reducing tooling costs and manufacturing complexity compared to creating a single large precision component.
Solution Approach 2:
The modular core design allows the same core pieces to be used across different component configurations and applications, reducing overall manufacturing costs through standardization and economies of scale.
3Area of stationary object
If component size is reduced, then footprint is minimized, but maintaining coupled winding performance becomes difficult
Solution Approach 1:
By stacking windings in multiple vertical layers within the compact footprint, the patent maintains adequate magnetic coupling and electrical performance while minimizing the horizontal area occupied by the component.
Solution Approach 2:
The modular core structure provides precise positioning for each winding, ensuring proper magnetic coupling and flux distribution even in the reduced-size configuration, thereby maintaining reliability.
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 proposed solution enables the manufacture of smaller electromagnetic components at lower costs while maintaining acceptable coupled winding performance, thereby addressing the challenges of size reduction and cost-effectiveness in high-power, multi-phase power systems.
Implementation Method 1
electrical current flow through the coil(s) or winding(s) in the component generates a magnetic field according to well-known electromagnetic principles
Implementation Method 2
the magnetic field(s) can be productively used to store energy in the magnetic core, release energy from the magnetic core
Implementation Method 3
current flowing in a first coil or winding can induce a current flow in a second coil or winding to step-up or step-down a voltage input
Data Source
AI summary
An electromagnetic component includes a magnetic core and a dual-winding arrangement inside the magnetic core structure. The dual-winding arrangement includes a first winding fabricated from an elongated conductor having a first thickness and defining a first inverted U-shaped main winding portion, a second winding fabricated from a conductor having a second thickness and being formed into a second inverted U-shaped main winding portion, and a separator extending between the first winding and the second winding.