Ball-Indexed Pressure Scanning Valve for Fast Multi-Point Measurement
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Solution Overview
Problem
Existing multi-channel pressure scanning valves lack a ball structure that allows channels to be precisely aligned and rotated to the measurement center, leading to inefficiencies in pressure measurement from multiple points.
Innovation Solution
A multi-channel pressure scanning valve design incorporating a ball structure and a rotatable plexiglass disc, which enables pressure tubes to be connected circumferentially and rotated to align with a single pressure measurement device, facilitating efficient pressure measurement from multiple points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple pressure probes are connected to a single pressure measurement device by connecting and removing tubes, then pressure measurement from multiple points is enabled, but time is lost due to repeated connection and removal operations
Solution Approach 1:
The valve body is segmented into multiple channels, each with its own pressure probe connection. The internal valve mechanism segments the single pressure measurement device output to distribute pressure signals from multiple channels sequentially, eliminating the need to physically reconnect tubes for each measurement point.
Solution Approach 2:
The valve incorporates a dynamic switching mechanism that can rapidly redirect pressure signals from different channels to the single measurement device. This dynamic switching enables continuous measurement across multiple points without manual tube reconnection, significantly reducing measurement time.
2Productivity
If pressure tubes are connected circumferentially to the pressure scanner, then multiple pressure points can be measured with a single device, but the channels must be precisely aligned with the measurement center
Solution Approach 1:
The valve body acts as an intermediary component that receives pressure signals from circumferentially arranged tubes and redirects them through internal channels to the measurement center. This intermediary structure absorbs the alignment requirements, allowing circumferential tube connections while maintaining precise alignment at the measurement point through the valve's internal geometry.
3Measurement precision
If a ball structure is added to rotate and align channels with the measurement center, then precise alignment is achieved, but the device complexity increases
Solution Approach 1:
The valve incorporates a spherical ball structure that can rotate to align different channels with the measurement center. This spherical geometry provides smooth rotational movement and precise angular positioning, enabling accurate channel alignment while maintaining a relatively compact and elegant structure compared to alternative mechanical alignment systems.
Data Source
AI summary
Clean version of the Abstract A multi-channel pressure scanning valve allows real-time measurement of multiple pressure signals to be easily carried out with a single valve in cases where pressure must be measured from different points in fluid mechanics, aerodynamics, etc. studies. The multi-channel pressure scanning valve includes: pressure tubes, a front flange, a ball, a ball spring, pressure transmission channels, a plexiglass disc, a pressure measurement tube, a rear flange, a nut, a nut slot, a ball channel, and a pressure measurement channel.