Pneumatic Module Sleeve Structure for Accurate Gas Flow Measurement
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Solution Overview
Problem
Current gas analysis devices face challenges in achieving high measuring accuracy, resilience against operating conditions, compact design, cost-efficient production, and ease of repair, particularly due to sensitivity to mechanical and thermal influences and limitations in fluid flow control.
Innovation Solution
A pneumatic module with a support sleeve that thermally and mechanically shields a flow module, providing a defined flow resistance and allowing for non-detachable connections for enhanced sealing and stability, enabling higher operating temperatures and improved measuring accuracy, while allowing for miniaturization and cost-effective production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the flow module has thin walls and small diameter to enable miniaturization, then the device becomes more compact, but the flow module becomes more sensitive to mechanical and thermal influences from the environment, reducing measuring accuracy
Solution Approach 1:
The flow module is nested inside the support sleeve, with the support sleeve acting as a protective outer structure. This nesting arrangement allows the flow module to be miniaturized with thin walls while the support sleeve provides the necessary mechanical and thermal protection, resolving the contradiction between compact size and measurement precision.
Solution Approach 2:
The support sleeve serves as an intermediary structure between the flow module and the external environment. It mediates the mechanical and thermal influences from the environment, protecting the sensitive flow module while allowing the flow module to maintain its compact, miniaturized design.
2Ease of repair
If the flow module is connected detachably to the support sleeve, then ease of repair is improved, but sealing effect and operational reliability are reduced
Solution Approach 1:
The pneumatic module is segmented into the support sleeve and flow module as separate components. This segmentation allows the flow module to be detached and replaced for ease of repair, while the connection interface is designed to maintain adequate sealing effect, resolving the contradiction between serviceability and reliability.
3Stability of the object's composition
If the connection between support sleeve and flow module has large contact surface, then mechanical stability is improved, but heat conduction from support sleeve to flow module increases, reducing measuring accuracy
Solution Approach 1:
The connection interface between the support sleeve and flow module is designed with localized contact areas rather than extensive contact surfaces. This local quality approach provides sufficient mechanical stability through targeted connection points while minimizing the contact surface area that would conduct heat, thereby maintaining measurement precision.
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 pneumatic module enhances measuring accuracy and operational reliability by shielding the flow module from environmental influences, enabling precise fluid flow control and reducing heat input, thus improving the performance and efficiency of gas analysis devices.
Implementation Method 1
a contact surface that allows heat to be conducted from the support sleeve to the flow module or from the flow module to the support sleeve is minimized
Implementation Method 2
provide a defined flow resistance, such that an absolute pressure drop occurs therein when the fluid flow is correspondingly strong
Data Source
AI summary
A method for producing a pneumatic module, a gas analysis device comprising at least one such pneumatic module, a computer program product via which the operating characteristics of a corresponding pneumatic module can be simulated, wherein the pneumatic module serves to adjust a fluid flow and is deployable in the gas analysis device and includes a support sleeve and a flow module that is contained in the support sleeve, where the flow module is connected at a first end thereof to the support sleeve in order to achieve greater measuring accuracy of the gas analysis device.