Immersion Tube Membrane Forming with Thermal Imaging Control
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Solution Overview
Problem
Existing methods for producing electrochemical sensors with ion-selective membranes suffer from non-uniform temperature distribution during glass blowing, leading to membranes with varying thicknesses, reduced lifetime, and inaccurate measurement results.
Innovation Solution
A method and apparatus using a temperature-sensitive imaging system to identify homogeneous temperature regions in a glass melt, combined with controlled pressure application and immersion tube positioning, to form membranes with uniform thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual glass blowing techniques are used to form membranes, then production flexibility is maintained, but manufacturing precision deteriorates due to non-uniform temperature distribution and operator dependency
Solution Approach 1:
The patent replaces manual mechanical glass blowing with an automated imaging system that uses optical/thermal fields to detect and control the glass melting process. The temperature-sensitive imaging apparatus captures thermal radiation from the glass melt, enabling precise control of membrane formation without manual intervention, thus resolving the contradiction between production flexibility and manufacturing precision.
Solution Approach 2:
The patent implements a feedback mechanism where the imaging apparatus continuously monitors the temperature distribution in the glass melt, and this information is used to adjust the heating process in real-time. This closed-loop control ensures uniform membrane thickness by maintaining consistent thermal conditions during immersion, eliminating the non-uniformity caused by manual operations.
2Productivity
If non-uniform temperature distribution occurs during membrane formation, then production speed is maintained, but membrane quality deteriorates with varying thicknesses and reduced lifetime
Solution Approach 1:
The patent performs preliminary detection of temperature distribution in the glass melt before membrane formation begins. The imaging apparatus identifies homogeneous temperature regions in advance, allowing the process to proceed only when optimal thermal conditions are established, ensuring consistent membrane thickness without compromising production speed.
Solution Approach 2:
The patent dynamically adjusts heating parameters based on real-time temperature monitoring. By changing the thermal parameters (temperature distribution, heating rate) according to the detected state of the glass melt, the system maintains optimal conditions for uniform membrane formation throughout the production process.
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
Ensures precise production of membranes with uniform thickness, enhancing sensor durability and measurement accuracy by optimizing temperature and pressure control.
Implementation Method 1
The imaging apparatus includes a first camera, which is temperature sensitive and is arranged in such a manner that it can see the melt
Implementation Method 2
The melting system includes a heating means and a crucible containing a melt
Implementation Method 3
The pressure supplier is connected air tightly with the first opening of the first immersion tube
Data Source
AI summary
A system and method for forming a membrane on an immersion tube for an electrochemical sensor comprise a step of providing a first immersion tube having a first opening and a second opening, and an apparatus having a melting system, a positioning system, an imaging apparatus, a pressure supplier, a control system. The melting system includes a heating means and a crucible containing a melt. The positioning system is suitable to move the first immersion tube relative to the crucible, such that the first opening of the first immersion tube is immersed in the melt. The imaging apparatus includes a camera, which is temperature sensitive and is arranged such that it can see the melt. The pressure supplier is connected air tightly with the first opening of the first immersion tube. The control system is connected with the melting system, the positioning system, the imaging apparatus and the pressure supplier.