Gas Guide Element Testing Device for Leak Detection
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Solution Overview
Problem
Existing gas-measuring systems lack a reliable method for regularly testing the operational capability of gas feed lines and connection elements, which is crucial for accurate measurements and safety, as leaks in these components can lead to incorrect gas concentration readings and alarms.
Innovation Solution
A testing device comprising a pumping device, a state of flow sensor, a gas sensor system, and a control unit, which uses a test gas with different density and viscosity compared to ambient air to assess the operational capability of gas guide elements by measuring changes in pressure and flow rates, indicating any leaks or malfunctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If gas-measuring systems use gas feed lines and connection elements to deliver gas from remote locations, then the measuring range and applicability are improved, but the risk of leaks and measurement errors increases
Solution Approach 1:
The patent implements a testing device that performs preliminary tests of gas guide elements before actual gas measurement operations. The control unit automatically controls the pumping device to deliver test gas through the gas guide element and compares measured values against reference values to detect leaks or blockages in advance, ensuring measurement accuracy before field deployment.
Solution Approach 2:
The patent employs a feedback mechanism where the gas sensor system continuously monitors gas concentrations in the feed lines, and the control unit compares actual measurements with reference values. When deviations are detected indicating potential leaks or blockages, the system generates alerts and can automatically adjust pumping parameters to maintain measurement reliability.
2Reliability
If regular testing of gas guide elements is implemented, then measurement reliability is improved, but device complexity and testing time increase
Solution Approach 1:
The patent combines the testing functions with the existing gas-measuring system components. The control unit integrates both normal measurement operations and testing operations into a single unified system, using the same gas sensor system, pumping device, and control unit for both measurement and testing purposes, thereby avoiding additional complex testing equipment.
Solution Approach 2:
The testing device is designed with multi-functionality where the gas sensor system can detect both target gases during normal operation and test gases during testing phases. The control unit automatically switches between measurement mode and testing mode, and the pumping device serves both for delivering process gas and for conducting leak tests, eliminating the need for separate dedicated testing equipment.
3Measurement precision
If test gas with different density and viscosity is used, then leak detection precision is improved, but the complexity of gas management increases
Solution Approach 1:
The patent utilizes test gas with deliberately different physical parameters (density and viscosity) compared to ambient air or process gas. This parameter difference creates distinct flow characteristics that the gas sensor system can easily detect and differentiate, enabling precise leak detection. The control unit monitors flow rate changes and pressure variations that result from these parameter differences to identify leaks or blockages.
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 solution allows for the reliable testing of gas guide elements, ensuring the accuracy of gas measurements and preventing false alarms by identifying leaks and operational issues in gas feed lines and connection elements, thereby maintaining the integrity of the gas-measuring system.
Implementation Method 1
a pumping device (7, 7''), which is configured to deliver a quantity of gas from a remotely located measuring location (80) to the gas sensor system (5)
Implementation Method 2
uses a test gas with different density and viscosity compared to ambient air to assess the operational capability of gas guide elements by measuring changes in pressure and flow rates
Implementation Method 3
a state of flow sensor, which indicates a state of flow in the gas guide element (3)
Implementation Method 4
The control unit (70) is configured to determine an operational capability of the gas guide element (3) on the basis of measured values (77)
Data Source
AI summary
A testing device (1) is configured for testing a gas guide element (3). A control unit (70) carries out a sequence of steps with two operating states. A test gas (91) is delivered by a pumping device (7) through the gas guide element (3) to a remotely located measuring location (80) and is subsequently delivered from the remotely located measuring location (80) to the gas sensor system (5). Measured values (77) are detected and analyzed during the delivery from the remotely located measuring location (80) to the gas sensor system (5) by a sensor (6, 90), which indicates a state of flow in the gas guide element (3) or an operating state of the pumping device (7). Changes occurring in the measured values (77) during the delivery from the remotely located measuring location (80) to the gas sensor system (5) indicate the operational capability of the gas guide element (3).