Modular Gas Chromatograph With Replaceable Injector And Detector Units
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Solution Overview
Problem
Traditional gas chromatographs require manufacturer intervention for failures or configuration changes, limiting end-user flexibility and maintenance capabilities, as they are factory-customized with non-replaceable components.
Innovation Solution
A modular gas chromatograph design with replaceable modules for injectors, detectors, and ovens, each equipped with dedicated pneumatic and electronic control systems, allowing for easy user substitution and configuration changes without manufacturer intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the gas chromatograph is factory-customized with non-replaceable components, then the manufacturing precision and initial configuration are optimized, but the adaptability and ease of repair deteriorate
Solution Approach 1:
The gas chromatograph is divided into separate functional modules (injector module, detector module, oven module, etc.) that can be independently replaced. Each module is designed as a discrete unit with standardized interfaces, allowing users to swap modules based on different analytical requirements without replacing the entire instrument.
Solution Approach 2:
The modular architecture enables a single base unit to support multiple configurations by accepting different functional modules. The same mainframe can accommodate various injector types, detector types, and column configurations, making the system universally adaptable to different analytical applications.
2Device complexity
If the gas chromatograph uses non-replaceable components, then the device complexity is reduced, but the ease of repair and maintenance deteriorate
Solution Approach 1:
By segmenting the instrument into modular components with standardized interfaces, the patent enables easy identification and replacement of faulty modules without disassembling the entire system. Each module can be tested independently and replaced as a complete unit, significantly simplifying maintenance procedures.
Solution Approach 2:
The modular design with quick-connect interfaces allows end-users to perform their own maintenance and module replacements without requiring manufacturer intervention or specialized service equipment. Users can independently swap modules to restore functionality or upgrade capabilities.
3Adaptability or versatility
If the gas chromatograph is designed with replaceable modules, then the adaptability and ease of repair are improved, but the device complexity increases
Solution Approach 1:
The patent employs universal standardized interfaces and mounting mechanisms that work across all module types. This universality reduces the effective complexity by providing a common framework that simplifies the integration of diverse functional modules into the same base unit.
Solution Approach 2:
Multiple functional components (injector, heater, temperature sensor, pneumatic controls) are merged into integrated modular units. This consolidation reduces the overall system complexity by minimizing the number of separate connections and interfaces required, while maintaining full adaptability.
4Reliability
If manufacturer intervention is required for configuration changes, then the reliability is maintained, but the loss of time and productivity deteriorate
Solution Approach 1:
Modules are pre-configured and pre-tested at the factory with optimal settings for their specific function. This preliminary preparation ensures that when users install replacement or upgraded modules, they maintain reliable performance without requiring manufacturer intervention or complex calibration procedures, thus minimizing downtime.
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 end-users to quickly replace or upgrade components, reducing maintenance complexity and allowing for flexible configuration changes without requiring manufacturer involvement, with modules tested and shipped separately for fast installation and replacement.
Implementation Method 1
each module comprises a corresponding functional device, for instance in the form of an injector, a detector or even an oven, related pneumatic means for feeding the required gas or gases, heating means and dedicated electronics means for controlling the pneumatic and heating means
Implementation Method 2
related pneumatic means for feeding the required gas or gases
Data Source
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AI summary
This invention is related to a gas chromatograph wherein more substitutable modules are foreseen, in particular injector modules and/or detector modules, as well as one embodiment in an oven module. Each module is insertable in a seat of the gas chromatograph mainframe with fast connections of its electronic and pneumatic means to corresponding outlets on said mainframe. Each module has its own heating element.