Handheld Gas Leak Detection Device with Multi-Gas Sensor Segmentation
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Solution Overview
Problem
Current methane detection technologies are inadequate for efficiently identifying and locating leaks in natural gas infrastructure, as they often fail to differentiate between methane from natural gas and other sources like anaerobic digestion or enteric fermentation, leading to inefficiencies in resource management and potential safety hazards.
Innovation Solution
A handheld sensing device equipped with a sensor capable of measuring ambient concentrations of methane, ethane, propane, butane, and natural gas, combined with GPS and meteorological data, to determine the location of gas sources and differentiate between leak sources using a connected device for displaying the results on a map.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If current methane detection technologies are used, then methane gas can be detected, but the device cannot differentiate between methane from natural gas leaks and other sources, leading to inefficiency in resource management and safety hazards
Solution Approach 1:
The patent segments the gas detection task by using multiple sensors to detect different hydrocarbon gases (methane, ethane, propane, butane) separately, then analyzes the composition ratios to identify the specific source type. This segmentation allows differentiation between natural gas leaks and other methane sources by examining the characteristic gas composition profiles of each source type.
Solution Approach 2:
The patent changes the detection parameters from simply measuring methane concentration to measuring the composition ratios of multiple hydrocarbon gases (methane, ethane, propane, butane). By analyzing these compositional parameters, the system can distinguish between different gas sources based on their unique hydrocarbon fingerprints, thereby improving measurement precision for source identification.
2Ease of operation
If multiple sensors and control electronics are integrated into a handheld device, then portability and field detection capability are improved, but device complexity increases
Solution Approach 1:
The patent merges multiple sensors (detecting different hydrocarbon gases), control electronics, GPS receiver, and data processing capabilities into a single handheld device. This integration combines previously separate functions into one portable unit, improving ease of operation in field conditions while managing complexity through unified system architecture.
Solution Approach 2:
The handheld device is designed with multi-functionality, serving as both a gas composition analyzer and a location tracking device. The GPS receiver and mapping software enable the device to not only detect hydrocarbon gases but also locate and visualize leak sources on maps, providing universal functionality for comprehensive leak detection and response operations.
3Measurement precision
If GPS and meteorological data are integrated to locate gas sources, then localization precision is improved, but device complexity and data processing requirements increase
Solution Approach 1:
The patent introduces an intermediary data processing layer that receives raw GPS coordinates and meteorological data, then processes this information to calculate and display the actual gas source location on a map. This intermediary processing step integrates multiple data types (gas composition, GPS location, wind direction, temperature) to refine location accuracy while managing the complexity of data integration through structured processing pipelines.
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
This solution enables precise identification and localization of natural gas leaks, reducing product loss, environmental impact, and safety hazards by accurately attributing leak sources, thereby optimizing resource management and operational efficiency.
Implementation Method 1
a sensor configured to measure ambient gas concentrations of at least one of the following gasses: methane, ethane, propane, butane, and/or natural gas
Data Source
AI summary
Systems, devices and methods including a handheld sensing device comprising: a sensor configured to measure ambient methane, ethane, propane, butane, and/or pentane concentrations; and a handle, where the sensor is disposed on a first end of the handle; control electronics comprising: a processor having addressable memory, the processor in communication with the sensor, where the processor is configured to: receive the measured ambient gas concentrations; and detect elevated ambient gas concentrations that may be attributed to a natural gas emissions source based on the measured ambient gas concentrations.