Intelligent Gauge Assembly Temperature Compensation
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Solution Overview
Problem
Conventional pressure gauges used in vessels containing hazard suppression materials under pressure often provide false readings due to rapid ambient temperature changes, leading to unnecessary vessel service calls or replacements, as they fail to accurately compensate for temperature fluctuations.
Innovation Solution
An intelligent gauge assembly equipped with a digital processor, memory, and sensors to repeatedly monitor and compare temperature and pressure conditions within the vessel, providing outputs that compensate for rapid changes and prevent false status abnormal signals, including a correction factor for the true internal volume of the vessel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional pressure gauges are used to monitor vessels containing hazard suppression materials, then the gauges provide pressure readings, but the readings become false when rapid ambient temperature changes occur
Solution Approach 1:
The patent introduces temperature sensors as intermediary devices that detect temperature changes and feed this data to a processor. The processor then compensates for temperature effects on pressure readings mathematically, acting as a mediator between the physical pressure measurement and the final compensated reading, thereby eliminating false readings caused by temperature fluctuations
Solution Approach 2:
The system dynamically changes the measurement parameters by introducing temperature as an additional measured variable. The processor uses temperature data to adjust and compensate pressure readings in real-time, transforming the static pressure measurement into a dynamic compensated measurement that accounts for environmental conditions
2Reliability
If conventional pressure gauges are used without temperature compensation, then the device complexity remains low, but false readings lead to unnecessary vessel service calls or replacements
Solution Approach 1:
The gauge assembly is transformed into a multi-functional device that simultaneously performs pressure measurement, temperature measurement, data processing, and compensated reading generation. This universal device replaces what would otherwise require separate components, achieving high reliability without proportionally increasing complexity
Solution Approach 2:
The system performs self-diagnosis and self-compensation by automatically detecting temperature effects and adjusting pressure readings without external intervention. The processor autonomously compensates for temperature influences, eliminating the need for manual calibration or external correction mechanisms
3Measurement precision
If temperature compensation is implemented using digital processors and sensors, then measurement precision improves, but the device complexity increases
Solution Approach 1:
The patent replaces complex mechanical temperature compensation mechanisms with electronic sensors and digital processing. Instead of using mechanical elements that physically adjust for temperature, the system uses electronic temperature sensors and mathematical algorithms, achieving the same compensation effect with simpler, more reliable electronic components
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 intelligent gauge assembly effectively prevents false readings by accurately monitoring and compensating for rapid temperature and pressure changes, ensuring that vessels are not unnecessarily replaced or serviced, thereby enhancing the reliability of hazard suppression systems.
Implementation Method 1
Pressure from the cylinder is guided into the tube and causes it to flex during pressure changes, resulting in a change in the curvature of the tube
Implementation Method 2
a temperature sensor for measuring the temperature of the fillant within the vessel
Implementation Method 3
Pressure from the cylinder is guided into the tube and causes it to flex during pressure changes, resulting in a change in the curvature of the tube
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Intelligent temperature and pressure gauge assemblies (52) for use with vessels (24) having pressurized hazard suppression materials therein include temperature and pressure sensors (136, 138) coupled with a digital processor (72) with associated memory for storing empirical temperature and pressure data. The data includes normalized linear temperature-pressure curves consistent with static or slowly changing temperature conditions experienced by the vessels (24), as well as nonlinear temperature-pressure curves consistent with rapidly changing temperature conditions. In use, the assemblies (52) repeatedly sense the temperature and pressure conditions of the hazard suppression material and compare these sensed values with the stored values, and generate an output in conformance with the comparison. In this fashion, the assemblies (52) compensate for rapidly changing temperatures without generating false failure signals.