Modular Gas Chromatograph Manifold for Independent Parallel Analysis
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Solution Overview
Problem
Existing gas chromatographs have fixed plumbing and software that limit adaptability, require complex and costly setups, and lack the ability to perform multiple independent analyses within a compact enclosure, with maintenance and modifications being difficult due to numerous electrical connections and access points.
Innovation Solution
A modular gas chromatograph device with a manifold plate and multiple analytical modules, each with its own gas chromatograph oven, allowing independent and parallel analysis, and an explosion-proof housing for safety, with a centralized computing unit for control and configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional gas chromatographs use fixed plumbing and software, then the device structure is stable, but the adaptability to different application needs is limited
Solution Approach 1:
The gas chromatograph is divided into modular components: a manifold plate with inlet/outlet channels, multiple removable analytical modules (each with its own oven, detector, and circuitry), and a centralized control unit. This segmentation allows different analytical modules to be easily swapped and reconfigured for different applications without redesigning the entire system, thereby improving adaptability while maintaining manageable complexity.
Solution Approach 2:
The manifold plate serves as a universal interface that can accommodate multiple types of analytical modules through standardized mounting and electrical connections. The centralized control unit provides universal control capabilities for different module configurations. This multi-functionality enables a single base device to perform various analytical tasks by simply changing the analytical modules, resolving the contradiction between adaptability and complexity.
2Adaptability or versatility
If multiple separate gas chromatographs are combined to perform multiple independent analyses, then the analysis capability is improved, but the device size and complexity increase
Solution Approach 1:
Multiple analytical modules are merged into a single compact enclosure mounted on the manifold plate. Each module maintains its independence with separate ovens, detectors, and circuitry, but they share the common manifold plate structure and centralized control unit. This merging approach enables multiple independent analyses within one compact device, avoiding the need for multiple separate chromatographs and thereby reducing overall device size and complexity.
3Ease of repair
If traditional gas chromatographs have multiple access points for maintenance, then the serviceability is improved, but the installation space requirement and mounting complexity increase
Solution Approach 1:
The analytical modules are designed as self-contained removable units with all necessary components (oven, detector, circuitry) integrated within each module. This segmentation allows maintenance personnel to access and service specific modules by simply removing them from the manifold plate, eliminating the need for multiple complex access points. The modular design reduces the space required for installation while improving ease of repair through straightforward module replacement.
4Adaptability or versatility
If gas chromatographs use discrete plumbing, then the flexibility in routing is improved, but the footprint and setup complexity increase
Solution Approach 1:
The complex discrete plumbing system is extracted and replaced with an integrated manifold plate containing built-in inlet and outlet channels. The manifold plate provides predefined fluid routing paths that are sufficient for the modular architecture, eliminating the need for extensive external piping. This extraction of the plumbing complexity into a compact integrated component maintains routing flexibility for gas flow while dramatically reducing the device footprint and simplifying the overall setup.
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 multiple independent analyses in a compact, explosion-proof enclosure with reduced installation time and cost, enhanced maintainability, and improved adaptability through modular design and centralized control.
Implementation Method 1
Many gas chromatograph columns are located inside an oven where the temperature of the gas can be controlled
Implementation Method 2
The components of the sample move at different velocities through the column, depending on their chemical and structural properties and their interactions with the stationary phase
Data Source
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AI summary
A device includes a first circuitry configured to provide, to a second circuitry of a manifold plate, a control signal for an inlet valve of the manifold plate; receive, from a third circuitry of an analytical module, an attribute of a fluid sample; and determine, based on the measured attribute of the fluid sample, a physical component of the fluid sample. The manifold plate includes the second circuitry and the inlet valve and an inlet channel, the second circuitry configured to control the inlet valve, based on the control signal, to direct the fluid sample from the inlet valve through the inlet channel to the analytical module. The analytical module is affixed to the manifold plate and includes a gas chromatograph oven and the third circuitry, the third circuitry configured to measure, using the one or more sensors, the attribute of the fluid sample in the gas chromatograph oven.