Dual Diffusion Path Filter for Humidity Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing enclosure filtration systems for environment-sensitive components face challenges in managing sudden changes in temperature, which can lead to excessive moisture vaporization or condensation, disrupting the relative humidity and potentially damaging electronic components.
Innovation Solution
The system employs a filter with two diffusion paths of different flow resistances, allowing for controlled capture and release of contaminants by connecting the filter media to both the internal and external environments, with a lower flow resistance path for external moisture release and a higher flow resistance path for internal humidity regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an adsorption filter captures moisture to maintain relative humidity, then the moisture-to-fluid ratio is controlled, but sudden temperature changes cause excessive moisture vaporization or condensation
Solution Approach 1:
The single diffusion path is segmented into two separate paths with different flow resistances. The first path (higher resistance) allows controlled moisture capture from the external environment, while the second path (lower resistance) enables rapid moisture release to the internal environment when temperature changes occur, preventing excessive humidity buildup
Solution Approach 2:
The system dynamically adapts its moisture exchange behavior based on temperature conditions. During normal operation, the filter captures moisture through the first diffusion path. When temperature suddenly increases, the adsorbed moisture is rapidly released through the second diffusion path, allowing the system to respond dynamically to thermal changes
2Stability of the object's composition
If a passageway of controlled size is provided for equilibrium, then internal and external state conditions are balanced, but the response time to environmental changes is slow
Solution Approach 1:
The equilibrium process is segmented into two stages through the two diffusion paths. The first path (higher resistance) provides slow, controlled moisture capture for stability, while the second path (lower resistance) enables fast moisture release for rapid response to temperature changes, combining both stability and speed requirements
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
This approach effectively stabilizes the internal environment by allowing simultaneous release of excess moisture to the external environment, preventing humidity fluctuations that could harm electronic components and maintaining optimal operating conditions.
Implementation Method 1
Adsorption type filters offer some benefits in that they can advantageously capture and release contaminants such as moisture to maintain a moisture-to-fluid ratio in a range that provides a desired relative humidity
Implementation Method 2
a first diffusion path fluidly connecting the filter media to the internal environment, and a second diffusion path fluidly connecting the filter media to the external environment
Data Source
AI summary
An apparatus and associated method for enclosing an environment-sensitive component. An enclosure separates an interior environment inside the enclosure from an external environment outside the enclosure. The enclosure has an environmental control system that captures a contaminant from the internal environment to a filter via a first diffusion path, and captures the contaminant from the external environment to the same filter via a different second diffusion path, the diffusion paths providing substantially different flow resistances to fluids carrying the contaminants to the filter via the respective diffusion paths.