Digital Gas Calibration Control for Precise Leak-Safe Flow
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Solution Overview
Problem
Current gas calibration methods for emissions monitoring are inefficient, unsafe, and lack precision due to reliance on manual, non-repeatable, and complex traditional regulators, which can lead to errors and increased risk of gas leaks, especially in industries requiring precise gas flow control.
Innovation Solution
A digital integrated system for calibration (DISC) comprising a base unit with valves and sensors, and a detachable control unit with a processor and wireless communication, enabling programmable, precise, and automated gas flow control, reducing the need for manual adjustments and enhancing safety through duplex communication and automatic verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional manual regulators are used for gas calibration, then the device complexity is reduced, but the measurement precision and reliability deteriorate due to manual adjustment errors and creep over time
Solution Approach 1:
The patent replaces manual mechanical regulators with an electronically controlled system featuring a motorized valve and digital flow control mechanism. The system uses electronic signals to adjust gas flow rates precisely, eliminating manual adjustment errors and creep issues inherent in mechanical regulators. The electronic control system includes a microprocessor that can accurately set and maintain predetermined flow rates without drift over time.
Solution Approach 2:
The system incorporates self-verification capabilities where the flow meter continuously monitors actual gas flow and provides feedback to the control system. The system automatically adjusts the valve position to maintain the desired flow rate, and includes self-diagnostic functions to detect leaks or malfunctions without external intervention, thereby maintaining precision without requiring complex external verification equipment.
2Measurement precision
If multiple adapters and pressure gauges are added to traditional regulators, then the measurement precision improves, but the device complexity and length increase significantly
Solution Approach 1:
The patent integrates the flow meter, pressure sensors, valve control, and verification electronics into a single integrated regulator assembly. This consolidation eliminates the need for separate external flow meters and multiple pressure gauges that would extend the assembly length. All measurement and control functions are combined within the compact electronic control unit, maintaining precision while reducing overall system length and complexity.
Solution Approach 2:
The electronic control unit serves multiple functions simultaneously: it controls the valve position, monitors flow rate via integrated sensors, verifies calibration accuracy, detects leaks, and provides user interface capabilities. This multi-functionality replaces what would traditionally require separate dedicated devices, thereby maintaining measurement precision without increasing assembly length.
3Productivity
If traditional manual calibration methods are used, then the ease of operation is maintained, but the productivity and reliability deteriorate due to time-consuming setup and lack of verification
Solution Approach 1:
The system includes pre-programmed calibration sequences and stored calibration data that can be automatically loaded. The microprocessor executes predetermined calibration routines without requiring manual step-by-step configuration. Calibration parameters and verification criteria are pre-configured in the system memory, allowing operators to initiate calibration with a single command rather than manually setting multiple parameters, thereby increasing productivity while maintaining ease of operation.
Solution Approach 2:
The system incorporates real-time feedback through the integrated flow meter and sensors that continuously monitor gas flow during calibration. The control system automatically compares actual measurements against target values and adjusts the valve position accordingly. Verification results are immediately displayed and can trigger automatic re-calibration if specifications are not met, speeding up the process while providing clear operational guidance to the user.
4Reliability
If traditional regulators are used without digital control, then the device complexity is low, but the reliability deteriorates due to creep and lack of leak detection
Solution Approach 1:
The patent replaces mechanical adjustment mechanisms with an electronically controlled valve system that uses digital signals to regulate gas flow. The motorized valve eliminates creep issues inherent in mechanical regulators by using electronic actuators with precise positioning control. The system includes digital sensors and microprocessor-based control that continuously monitor and adjust flow rates, providing stable and reliable control without the drift problems of mechanical systems.
Solution Approach 2:
The system incorporates self-diagnostic capabilities including leak detection sensors that continuously monitor for gas leaks throughout the system. The flow meter and pressure sensors automatically detect anomalies and alert the operator or trigger automatic corrective actions. This self-monitoring functionality enhances reliability by detecting problems early without requiring complex external verification equipment or manual inspection procedures.
Data Source
AI summary
A system with a base unit and a control unit generates a controlled distribution of a fluid. The base unit has one or more inlets, an outlet, and at least one valve configured to control gas flow through the base unit from the inlet to the outlet. The control unit can be detachably connected to the base unit. The control unit includes a battery, a processor, and a wireless communication unit.