Portable Air Velocity Measuring Device with Articulating Arm
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Solution Overview
Problem
Existing air velocity measurement technologies face challenges in efficiently and accurately measuring low velocities and navigating around obstacles, particularly in residential and commercial settings, due to limitations in portability and ergonomic design.
Innovation Solution
A portable, wireless air velocity measuring apparatus with a telescopic pole and articulating arm assembly, featuring bidirectional pitot array velocity sensing manifolds and a facilitator structure that allows for hands-free operation and precise measurements, including the use of conical nozzles for ultra-low velocity measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional air velocity measurement devices are used, then measurement capability is provided, but portability and ease of operation deteriorate due to cumbersome setups and need for ladders
Solution Approach 1:
The device is divided into modular components including a telescopic pole with articulating arm, a separate velocity measuring apparatus, and interchangeable facilitator structures. This segmentation allows the measurement component to be detached and positioned independently, enabling operation from ground level without ladders while maintaining measurement accuracy.
Solution Approach 2:
The telescopic pole with articulating arm extends the measurement capability into vertical and angular dimensions, allowing the operator to position the velocity measuring apparatus at various heights and angles while remaining on ground level. This eliminates the need for vertical access via ladders while preserving full measurement coverage.
2Measurement precision
If measurement accuracy is improved for low velocities, then measurement precision increases, but device complexity increases due to specialized facilitator structures
Solution Approach 1:
The facilitator structure includes interchangeable components that can be dynamically selected based on the measurement requirements. For ultra-low velocity measurements, a conical facilitator is attached; for standard measurements, a flat facilitator is used. This dynamic adaptability allows the device to optimize measurement precision for different velocity ranges without permanently increasing complexity.
Solution Approach 2:
The facilitator structure serves multiple functions: it provides structural support for the velocity measuring apparatus, acts as a flow straightener for accurate measurements, and can be interchanged between flat and conical configurations to handle different velocity ranges. This multi-functionality reduces the need for separate specialized devices.
3Ease of operation
If hands-free operation is enabled, then ease of operation improves, but device complexity increases due to telescopic pole and articulating arm assembly
Solution Approach 1:
The telescopic pole with articulating arm is designed to be self-positioning and self-supporting. Once extended and articulated to the desired position, the assembly maintains its position without requiring continuous manual support, enabling hands-free operation during measurement. The structure's own weight and geometry provide stability.
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 precise, repeatable, and ergonomic measurement of air velocities across various applications, reducing operator strain and measurement errors by allowing for easy maneuverability and accurate data collection without the need for ladders or cumbersome setups.
Implementation Method 1
bidirectional pitot array velocity sensing manifolds
Implementation Method 2
utilize a conical shaped facilitator to use nozzle effects to measure the flowing fluid source
Data Source
AI summary
A fluid-flow measuring apparatus is made of an enclosure housing that supports a plurality of flow-receiving tubes, each one of which has a plurality of apertures the either face substantially towards the source of fluid flow or away therefrom, a dispersing blade with a surface located in a plane that is parallel to a plane that is tangent to the surface of at least one of the plurality of flow-receiving tubes, a hub intersecting at least one of the plurality of flow-receiving tubes, and a facilitator structure that separates at least two of the plurality of flow-receiving tubes.