Fluid-Cooled Wound Strip Structure for Heat Dissipation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Energy conversion devices, such as electric motors and transformers, face inefficiencies that result in heat production, requiring effective heat transfer mechanisms to prevent overheating and enhance their utility.
Innovation Solution
A fluid-cooled wound strip structure with edge-wound or face-wound strips featuring alternating apertures that form fluid channels, coupled with manifolds and flow directors to optimize coolant flow and heat transfer, allowing for efficient heat dissipation in magnetic components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heat transfer methods are used in energy conversion devices, then the device structure remains simple, but heat dissipation efficiency is insufficient leading to overheating and reduced continuous power rating
Solution Approach 1:
The core is segmented into multiple strips with alternating polarities, where each strip contains multiple apertures. This segmentation creates numerous fluid channels throughout the core structure, significantly increasing the heat transfer surface area and improving heat dissipation efficiency while maintaining a manageable structural complexity through modular construction
Solution Approach 2:
The strips are designed with multiple apertures (e.g., three apertures per strip) that form fluid channels when assembled. This porous structure allows coolant to flow through the core, directly removing heat from the winding and core materials, thereby dramatically improving heat dissipation efficiency without requiring complex external cooling systems
2Power
If heat transfer efficiency is improved through better cooling structures, then continuous power rating increases, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The core is constructed from multiple identical or similar strips that can be manufactured using the same process. Each strip contains the same aperture pattern, allowing for standardized mass production. The strips are then assembled in an alternating polarity sequence to form the complete core, which improves continuous power rating through enhanced cooling while maintaining manufacturing ease through repetition and standardization
Solution Approach 2:
The strips serve multiple functions: they provide the magnetic core structure, create fluid channels for cooling, and establish the alternating polarity pattern necessary for electromagnetic operation. This multi-functionality reduces the need for separate components, simplifying manufacturing while achieving improved heat transfer and higher continuous power rating
3Temperature
If fluid channels are created through apertures in strips, then heat transfer efficiency improves, but manufacturing precision requirements increase to ensure proper aperture alignment
Solution Approach 1:
Instead of creating a single complex cooling channel, the system segments the cooling function into multiple independent apertures in each strip. When strips are assembled in alternating sequence, these apertures automatically align to form continuous fluid channels. This segmentation approach improves heat transfer efficiency while reducing manufacturing precision requirements, as each individual aperture can be manufactured independently with standard tolerances
Solution Approach 2:
The apertures are pre-formed in each strip during the strip manufacturing process, before assembly into the complete core. This preliminary action ensures that aperture positions and dimensions are consistent across all strips, facilitating proper alignment when assembled. The preliminary formation of cooling channels in individual components reduces the precision required during final assembly while still achieving effective heat transfer
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 structure achieves high-performance cooling by minimizing thermal impedance and maintaining short coolant flow lengths, effectively increasing the continuous power rating and utility of energy conversion devices.
Implementation Method 1
A fluid-cooled wound strip structure with edge-wound or face-wound strips featuring alternating apertures that form fluid channels, coupled with manifolds and flow directors to optimize coolant flow and heat transfer
Implementation Method 2
The structure achieves high-performance cooling by minimizing thermal impedance and maintaining short coolant flow lengths
Data Source
AI summary
A wound strip structure for efficient heat transfer. The structure includes one or more edge-wound or face-wound strips. At least one of the strips has a plurality of turns and a plurality of apertures, and an aperture of a turn of the strip overlapping an aperture of an adjacent turn, of the strip or of another strip, to form a portion of a fluid channel. The fluid channel may be used to conduct a cooling fluid to cool the structure.