Self-Contained Cooling Device for Electromagnetic Interference Filter
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Solution Overview
Problem
Existing cooling systems for electromagnetic interference filters face challenges in providing sufficient cooling, especially in limited packaging spaces, and may be complex or prone to leakage.
Innovation Solution
A self-contained cooling device with a housing that includes cooling channels completely within the housing, using a cryogenic fluid that flows through these channels to draw heat from the filter, and optionally enhanced by a cap for improved cooling and electrical conductivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cooled air is blown over the filter to reduce operating temperatures, then cooling effect is provided, but packaging space is insufficient and cooling adequacy deteriorates
Solution Approach 1:
The cooling channels are nested within the housing structure itself, with the housing serving dual purposes as both enclosure and heat dissipation pathway carrier. The channels are integrated into the housing walls, allowing cooling medium to flow through pathways embedded within the structural components rather than requiring separate external cooling apparatus.
Solution Approach 2:
A cooling medium (such as liquid coolant or refrigerant) is introduced as an intermediary substance to transfer heat from the electromagnetic interference filter to the surrounding environment. The cooling medium flows through the channels, absorbing heat from the filter housing and transporting it away, enabling efficient heat removal in compact spaces.
2Temperature
If complex cooling devices are used to provide sufficient cooling, then cooling performance is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The housing structure performs multiple functions simultaneously: it provides mechanical enclosure for the electromagnetic interference filter, serves as a heat dissipation pathway carrier through integrated cooling channels, and acts as a structural support element. This multi-functionality eliminates the need for separate dedicated cooling components, reducing overall device complexity while maintaining effective cooling performance.
3Temperature
If traditional cooling devices with multiple components are used, then cooling capability is provided, but leakage risk increases
Solution Approach 1:
The cooling channels are merged with the housing structure to form an integrated monolithic component. Rather than using separate cooling pipes, fittings, and connections that could leak, the cooling pathways are formed as continuous integral features of the housing itself, eliminating connection points and significantly reducing leakage risk while maintaining cooling capability.
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 self-contained design ensures uniform cooling without leaks, improves heat dissipation, and simplifies manufacturing, providing effective temperature reduction for electromagnetic interference filters.
Implementation Method 1
As the cooling medium passes through one or more cooling channels, the contact between the inner wall of the housing and the outermost surface of the electromagnetic interference filter draws heat away from the electromagnetic interference filter
Data Source
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AI summary
A cooling device for an electromagnetic interference filter is disclosed. The cooling device includes a housing. The housing includes a main body having a cavity shaped to receive the electromagnetic interference filter and one or more cooling channels surrounding at least a portion of the cavity in the main body of the housing. The one or more cooling channels define one or more flow paths that are contained completely within the housing. The housing also includes an inlet port and an outlet port. The one or more cooling channels fluidly connect the inlet port to the outlet port, and a cooling medium is configured to flow into the inlet port, through the one or more cooling channels, and exit the housing through the outlet port.