Gas Tank Detection Using a Pressure-Triggered Shutter Valve
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Solution Overview
Problem
Conventional gas detection methods, such as those using pressure sensors, fail to accurately measure the remaining amount of gas when the amount is low.
Innovation Solution
A gas detection system and method that includes a gas detector and a shutter with an open-close valve connected between the gas tank and the detector, allowing for natural opening when pressure is low and periodic detection of gas concentration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a pressure sensor is used to detect the remaining amount of gas, then the detection system is simple, but the measurement accuracy deteriorates when the remaining amount of gas is low
Solution Approach 1:
The patent introduces a shutter as an intermediary component between the gas tank and the gas detector. The shutter includes a valve that opens naturally when gas pressure is low, allowing the detector to accurately sense gas presence and concentration in the low-pressure regime where conventional pressure sensors fail, thus resolving the measurement accuracy issue without significantly increasing system complexity
Solution Approach 2:
The patent changes the detection parameter from direct pressure measurement to gas concentration detection. By using a gas detector to measure the concentration of gas molecules rather than relying on pressure sensor readings, the system achieves accurate measurement of remaining gas amount even when pressure is low, thereby improving measurement precision
2Device complexity
If a pressure sensor is used to detect the remaining amount of gas, then the system structure is simple, but the detection reliability deteriorates when the remaining amount of gas is low
Solution Approach 1:
The shutter acts as a mediator that enables reliable detection in low-pressure conditions. The valve within the shutter automatically opens when gas pressure drops to a predetermined level or below, ensuring that the gas detector can reliably sense the presence and concentration of gas even when the remaining amount is low, thereby improving detection reliability without complicating the overall system structure
Solution Approach 2:
The valve in the shutter is designed to open automatically based on the gas pressure condition itself, without requiring external control. This self-service mechanism ensures that the detection system reliably adapts to low-pressure conditions on its own, improving reliability while maintaining system simplicity
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 accurate detection of the remaining gas amount by directly detecting the gas rather than relying on pressure, improving measurement accuracy.
Implementation Method 1
causing the open-close valve to open naturally when a pressure of the predetermined gas is less than or equal to a predetermined pressure
Data Source
AI summary
A gas detection system is for detecting the remaining amount of gas in a gas tank that stores a predetermined gas. The gas detection system includes: a gas detector that detects the predetermined gas; and a shutter (e.g., a pressure detector) that is connected between the gas tank and the gas detector and opens and closes a path of the predetermined gas from the gas tank to the gas detector.