Gas Detection System Dynamic Threshold Checkup
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Solution Overview
Problem
Existing gas detection systems require multiple test gases with different concentrations to check the functionality of multiple gas detectors installed in various locations, making the process complicated, time-consuming, and costly.
Innovation Solution
A gas detection system that uses a common threshold value for checking the functionality of multiple gas detectors, allowing a single test gas with a general-purpose concentration to be used for all detectors, reducing the need for custom-ordered test gases and simplifying the checking process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple test gases with different concentrations are provided to check multiple hydrogen detectors with different threshold values, then the accuracy of checking each detector is improved, but the device complexity and cost increase
Solution Approach 1:
The patent applies universality by enabling a single test gas to serve multiple functions: it can check multiple hydrogen detectors with different threshold values by dynamically switching between different threshold values in the determination module. The ECU determines whether to use the first or second threshold value based on detection results, allowing one test gas to validate all detectors across different locations and conditions.
2Reliability
If multiple test gases with different concentrations are provided to check multiple hydrogen detectors, then the reliability of detection is improved, but the loss of time and cost increases
Solution Approach 1:
The patent applies dynamics by making the threshold value selection dynamic rather than static. The ECU automatically switches between the first threshold value (for normal operation) and the second threshold value (for checkup mode) based on the detection results. This dynamic adaptation allows the system to maintain high reliability in verifying detector functionality while eliminating the need for multiple test gases, thereby reducing checkup time.
3Reliability
If multiple test gases with different concentrations are provided to check multiple hydrogen detectors, then the completeness of checkup is improved, but the loss of substance and cost increases
Solution Approach 1:
The patent applies universality by designing a checkup system where a single test gas can comprehensively check all hydrogen detectors. The ECU achieves complete verification by dynamically selecting between first and second threshold values based on detection results, ensuring that all detectors are properly validated without requiring multiple different test gases, thus eliminating substance loss associated with preparing and storing multiple test gas types.
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 approach enhances convenience by allowing a single test gas to check multiple detectors with different threshold values, reducing time and cost, and simplifying the checkup process while maintaining accurate detection of gas concentrations.
Implementation Method 1
a gas concentration detector arranged to detect concentration of the specific gas as a gas concentration
Data Source
AI summary
A gas detection system functions to detect a specific gas present in a certain space. The gas detection system includes a gas concentration detector arranged to detect concentration of the specific gas as a gas concentration. The gas detection system also has a determination module configured to determine whether the gas concentration detected by the gas concentration detector exceeds a set threshold value. In response to input of a checking instruction for checking up the gas concentration detector into the determination module, the determination module uses a threshold value for checkup purpose, in place of the set threshold value. This arrangement effectively enhances the convenience in the process of checking up the gas concentration detector.