Oblique Gas Capturing Module for Liquid Sensors
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Solution Overview
Problem
Existing gas measurement devices in liquids face inefficiencies in gas exchange due to a small surface area between the membrane and inlet conduit, leading to unsatisfactory gas circulation and increased response times.
Innovation Solution
A gas capturing module with a housing and membrane arrangement that extends obliquely from a base, incorporating a porous support element and larger exchange surfaces, allowing gas to circulate parallel and perpendicular to the support element, enhancing gas exchange and circulation efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the dimensions of the inlet conduit are increased to increase the exchange surface, then the gas exchange efficiency is improved, but the response time of the device increases
Solution Approach 1:
The membrane is configured to extend obliquely from the base at an angle between 30 and 60 degrees relative to the longitudinal axis of the body. This oblique arrangement creates a three-dimensional gas circulation path that allows gas to flow both parallel and perpendicular to the support element, effectively increasing the exchange surface area without increasing the linear dimensions of the inlet conduit, thereby maintaining fast response time while improving gas exchange efficiency
2Productivity
If the surface area of the porous support element is increased to improve gas circulation, then the gas exchange efficiency is improved, but the device complexity increases
Solution Approach 1:
A thin membrane is mounted in the housing to extend in the opening of the housing over the porous support element. This thin film structure provides a large surface area for gas exchange without adding significant structural complexity or volume to the device. The membrane acts as a selective barrier that allows gas to pass through while maintaining a compact overall structure
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
The solution improves gas exchange efficiency, reducing response times and making the device more reliable for measuring gas parameters in liquids.
Implementation Method 1
a membrane for capturing gases dissolved in a liquid in which the device is submerged... allows the gases dissolved in the liquid to penetrate the inside of the body
Implementation Method 2
a porous support element for the membrane arranged in the opening of the housing and through which the gas can circulate
Data Source
AI summary
The invention relates to a module for capturing at least one gas dissolved in a liquid (L), arranged so as to be mounted on a body (12) of a device (10) for measuring the value of at least one parameter of said gas, said capturing module (20) comprising a gas circulation base arranged so as to be mounted on said body (12), the capturing module (20) being characterized in that it comprises a housing for receiving at least one membrane, defining an opening and projecting from said base, and at least one membrane mounted in said housing so as to extend inside said opening in order to capture the gas dissolved in the liquid (L).