Pressure Regulator Diaphragm Life Estimation from Spring Deflection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Utility companies face unnecessary maintenance costs due to strict replacement guidelines for metering equipment parts, such as pressure regulators, which do not account for varying customer demand, leading to premature replacement of still-functional parts.
Innovation Solution
A non-invasive monitor unit that tracks the movement of internal parts, particularly the diaphragm in pressure regulators, to accurately determine the actual service life, allowing utilities to schedule maintenance based on actual usage rather than fixed regulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If utilities replace parts after expiration of set service life according to PUC rules, then safety procedures are followed and compliance is maintained, but unnecessary maintenance costs and truck trips are incurred
Solution Approach 1:
The patent replaces mechanical monitoring methods with electronic sensors and digital communication systems. Sensors monitor diaphragm position and pressure regulator operation, transmitting data via communication interfaces to determine actual service life, eliminating the need for fixed-schedule manual inspections and unnecessary part replacements
Solution Approach 2:
The system continuously monitors diaphragm operation through sensors that detect position and movement, providing real-time feedback about actual usage conditions. This feedback loop enables dynamic adjustment of maintenance schedules based on actual wear and operational demand rather than fixed time intervals
2Reliability
If utilities perform regular maintenance on all equipment, then equipment reliability is maintained, but resources are wasted on equipment with remaining service life
Solution Approach 1:
The patent transitions from static, fixed-schedule maintenance to dynamic, condition-based maintenance. The system continuously adapts maintenance recommendations based on real-time monitoring of diaphragm position, pressure regulator operation, and actual usage patterns, optimizing resource allocation to match actual equipment needs
3Adaptability or versatility
If fixed service life guidelines are used for part replacement, then compliance with PUC rules is achieved, but actual service life variability due to different customer demand is not accounted for
Solution Approach 1:
The patent replaces manual estimation and fixed-schedule assumptions with electronic sensors and digital data collection. Sensors precisely measure diaphragm position and movement, while communication interfaces transmit accurate operational data, enabling precise determination of actual service life that accounts for varying customer demand patterns
Solution Approach 2:
The system introduces sensors and communication interfaces as intermediaries between the pressure regulator and the utility's maintenance system. These intermediaries capture and transmit precise operational data, bridging the gap between actual equipment condition and maintenance decision-making
Data Source
AI summary
Apparatus are configured to monitor lifespan of parts on a pressure regulator. These configurations may include sensors that generate signals in response to movement of parts on the pressure regulator. Processing circuitry can process the signals to identify data that corresponds to deflection of a spring inside of the pressure regulator. This data may correlate with duty cycle of a diaphragm. In one implementation, utilities can use the duty cycle to gauge useable lifespan of the diaphragm as well as other operating conditions that may prevail on the pressure regulator.