Annular Gap Flow Measurement with Adjustable Eccentricity
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Solution Overview
Problem
Existing fluid parameter measurement devices with annular gaps have fixed structures, limiting the adjustment of eccentricity and axis parallelism, which hinders versatile experimental setups.
Innovation Solution
A fluid parameter measurement device with a swing block and adjustment assembly, allowing adjustable eccentricity and axis parallelism through a rotating shaft and elastic members, combined with a distance sensor and force-induced color-changing rings for visual feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed structure is used for the measurement device, then the structural simplicity is maintained, but the adaptability for different eccentricity measurements is reduced
Solution Approach 1:
The patent applies the dynamics principle by replacing the fixed structure with a movable swing block that can be adjusted to different positions. The swing block is connected to the base platform through a rotating shaft, allowing it to swing between concentric and eccentric positions. This dynamic adjustment capability enables the device to measure fluid parameters under various eccentricity conditions without requiring multiple fixed devices, thus improving adaptability while maintaining reasonable structural complexity.
2Loss of information
If the swing block is made transparent at the color-changing ring position, then the visual display of eccentricity is improved, but the structural integrity is reduced
Solution Approach 1:
The patent applies the color changes principle by incorporating force-induced color-changing rings that change color in response to the eccentricity of the swing block. These rings are positioned on the swing block and provide visual feedback about the degree of eccentricity. The swing block is made transparent at the position of these rings to allow the color changes to be clearly observed. This design enables intuitive visual display of eccentricity while maintaining sufficient structural integrity through the transparent material and strategic positioning of the color-changing indicators.
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
Enables variable eccentricity adjustments and maintains axis parallelism, facilitating precise experimental measurements and visual feedback on eccentricity, enhancing experimental flexibility and accuracy.
Implementation Method 1
the core column and two ends of the through hole are sealed with elastic sealing rings
Implementation Method 2
a distance sensor is arranged on the base platform, and the distance sensor is configured to measure a swing distance of the swing block
Implementation Method 3
spiropyran polyurethane force-induced color-changing rings are arranged between the swing block and the core column... different positions of the spiropyran polyurethane force-induced color-changing ring show different colors
Data Source
AI summary
Disclosed is a fluid parameter measurement device with an annular gap, including a base, a core column, and a swing block. The base is fixed to the core column and pivot-connected to the swing block. The core column penetrates a through hole in the swing block, sealed at both ends with elastic sealing rings to form an annular gap between a wall of the core column and that of the through hole. The core column contains fluid inlet and outlet channels connecting both ends of the annular gap, directing pressurized liquid through the annular gap. An adjustment assembly on the base alters core column-to-through hole concentricity while maintaining parallelism, enabling flow measurement under varying pressures or at constant pressure with adjustable eccentricity. The design simplifies experimental operations through precise concentricity regulation and eccentricity-based gap state control.