Modular Gas Chromatograph Architecture for Parallel Independent 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 a central computing unit for unified control, housed in an explosion-proof enclosure for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fixed plumbing and software are used in gas chromatographs, then the system structure is stable and reliable, but the adaptability to different application needs is limited
Solution Approach 1:
The gas chromatograph is divided into modular analytical modules that can be independently configured and swapped. Each module contains its own circuitry, detectors, and processing units, allowing the system to be segmented into functional blocks that can be reconfigured for different applications without changing the entire system architecture.
Solution Approach 2:
The system employs dynamic configuration capabilities where analytical modules can be programmatically assigned to different operational modes. The software architecture allows real-time reconfiguration of module functions, enabling the same physical hardware to adapt to varying analytical requirements through dynamic parameter adjustment and module reassignment.
2Adaptability or versatility
If multiple separate gas chromatographs are combined to perform multiple independent analyses, then the analysis capability is enhanced, but the device size and cost increase
Solution Approach 1:
Multiple analytical modules are integrated into a single compact enclosure that houses all necessary components for multiple independent analyses. The manifold plate consolidates fluid handling for multiple modules, and the shared power supply and control architecture reduce overall system footprint while maintaining the capability to perform multiple simultaneous analyses.
Solution Approach 2:
The system architecture is designed so that a single enclosure can accommodate multiple analytical modules with different functionalities. The universal manifold plate and shared infrastructure allow the same physical space to support diverse analytical capabilities, eliminating the need for separate dedicated instruments for each analysis type.
3Ease of repair
If multiple access points are provided for maintenance and servicing, then the ease of repair is improved, but the device complexity and space requirements increase
Solution Approach 1:
The system is divided into modular analytical modules that can be independently removed and serviced. Each module has its own dedicated access points and electrical connections, allowing maintenance personnel to service individual modules without disassembling the entire system. This segmentation isolates maintenance complexity to individual module level.
Solution Approach 2:
The manifold plate and its electrical connections are extracted as a separate serviceable component. The manifold plate can be removed or accessed independently to service fluid handling connections, while the analytical modules remain in place. This extraction allows maintenance personnel to access critical fluid handling components without dismantling the entire instrument.
4Adaptability or versatility
If a single analytical oven with fixed bead temperature is used, then the device simplicity is maintained, but the ability to optimally run analyses with different temperature requirements is limited
Solution Approach 1:
The thermal control system is segmented at the module level, with each analytical module having its own independently controllable oven. This allows different modules to operate at different temperatures simultaneously, and each module can be optimized for its specific analytical requirements without affecting other modules in the system.
Solution Approach 2:
The temperature control system is made dynamic through independent temperature programming for each analytical module. Each module's oven can be programmed with custom temperature profiles that match its specific analytical requirements, allowing the system to adapt temperature conditions dynamically rather than using a fixed single-temperature design.
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, efficient, and cost-effective manner, reducing installation time and space requirements while ensuring safety in potentially explosive environments.
Implementation Method 1
injecting a gaseous or liquid (e.g., fluid) sample into a mobile phase... The components of the sample move at different velocities through the column
Implementation Method 2
Many gas chromatograph columns are located inside an oven where the temperature of the gas can be controlled
Implementation Method 3
A gas chromatograph is an analytical instrument used in chemistry for separating and analyzing compounds that can be vaporized... 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
Implementation Method 4
the second circuitry comprising a second memory and one or more second processors configured to: receive, from the first circuitry, the control signal; and control the inlet valve of the inlet, based on the control signal, to direct the first fluid sample from the inlet valve through the inlet channel to the first analytical module
Data Source
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.