Inlet Structure Micro Structures Fluid Guidance
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Solution Overview
Problem
Conventional detection apparatuses face challenges in guiding fluids into inlets due to surface tension, requiring additional absorbent materials, which increases production costs.
Innovation Solution
An inlet structure with micro structures, such as convex or concave-shaped features, is integrated into the detection apparatus to destroy surface tension, allowing fluids to flow into microchannels via capillary action without the need for absorbent materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If absorbent material is used to guide fluid into the inlet, then fluid guidance is improved, but production cost increases
Solution Approach 1:
The inlet structure itself performs the fluid guidance function through its micro structures, eliminating the need for separate absorbent materials. The micro structures enable the inlet to autonomously guide fluid via capillary action, making the system self-sufficient and reducing component count.
Solution Approach 2:
The inlet structure incorporates micro structures that create capillary channels within the inlet body. These porous-like micro channels guide the fluid through capillary action, replacing the function previously performed by absorbent materials while integrating the guidance capability directly into the inlet structure.
2Reliability
If absorbent material is added to the detection apparatus, then fluid absorption capability is improved, but device complexity increases
Solution Approach 1:
The fluid absorption and guidance functions are merged into the inlet structure itself through the integrated micro structures. The inlet now performs both fluid guidance and absorption tasks that were previously separated between the inlet and absorbent materials, simplifying the overall device architecture.
Solution Approach 2:
The micro structures act as intermediaries between the external fluid source and the internal fluid handling system. These micro structures mediate the fluid transfer process by providing capillary channels that guide and absorb fluid, replacing the need for separate absorbent material components.
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 solution enables cost reduction by eliminating the requirement for absorbent materials while ensuring efficient fluid guidance into microchannels, enhancing the detection process.
Implementation Method 1
the micro structure destroys the surface tension of the fluid
Implementation Method 2
cause the fluid to flow into the microchannel by a capillary action
Data Source
Figure 1~2
Figure 3~4
AI summary
An inlet structure (200) is adapted to be connected to a microchannel (300). The inlet structure includes an inlet portion (210) and at least one micro structure (220). The inlet portion contains an inner surface. The micro structure is disposed in the inlet portion and connected to the inner surface. When a fluid is injected into the inlet portion, the micro structure destroys a surface tension of the fluid to cause the fluid to flow into the microchannel by capillary action.