Hydraulic Leak Detection Using Pump Cycles and Fluid Level Snapshots
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Solution Overview
Problem
Hydraulic systems in unmanned locations face challenges in detecting fluid leaks promptly, which can lead to equipment failure, environmental contamination, and reduced machinery performance.
Innovation Solution
A method and system for hydraulic leak detection that involves monitoring pressure readings, using a header pressure pump, and calculating fluid level differences to initiate an alarm when an allowable leak threshold is exceeded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If hydraulic systems operate in unmanned locations without continuous monitoring, then operational autonomy is improved, but leak detection capability deteriorates
Solution Approach 1:
The hydraulic system performs self-diagnosis by automatically monitoring its own fluid levels and detecting leaks without external intervention. The system uses onboard sensors and controllers to continuously assess hydraulic fluid conditions and trigger alarms when anomalies are detected, enabling unmanned locations to maintain reliability through autonomous self-monitoring.
Solution Approach 2:
The system implements continuous feedback loops where sensors monitor hydraulic fluid levels and pressure, the controller processes this data, and alarms are triggered when leak thresholds are exceeded. This closed-loop feedback mechanism ensures reliable leak detection in unmanned operations by automatically reporting system status and initiating alerts when problems occur.
2Duration of action of stationary object
If hydraulic leaks are not detected promptly in unmanned locations, then operational continuity is improved, but equipment reliability deteriorates
Solution Approach 1:
The system performs preliminary detection by continuously monitoring hydraulic fluid levels before leaks can cause catastrophic equipment failure. By detecting fluid level changes early in the leak development process, the system enables timely intervention while maintaining operational continuity, preventing minor leaks from progressing to equipment failure.
Solution Approach 2:
The patent replaces manual inspection mechanisms with automated electronic monitoring systems including fluid level sensors, pressure sensors, and electronic controllers. This substitution enables continuous leak detection without human presence, maintaining both operational continuity and equipment reliability through automated surveillance.
3Device complexity
If manual inspection methods are used for leak detection, then system complexity is reduced, but detection time increases
Solution Approach 1:
Manual inspection methods are replaced with automated electronic detection systems comprising fluid level sensors, pressure sensors, and electronic controllers. This substitution eliminates the time loss associated with manual inspections while managing system complexity through integrated electronic monitoring that continuously detects leaks without requiring human intervention.
Solution Approach 2:
Electronic sensors and controllers serve as intermediaries between the hydraulic system and the monitoring function. These intermediary devices automatically measure fluid levels and pressure changes, translating physical hydraulic conditions into detectable electrical signals that trigger alarms, thereby reducing detection time without requiring complex manual inspection procedures.
Data Source
AI summary
A method to detect hydraulic leaks in unmanned locations includes obtaining a first pressure reading, starting a header pressure pump if the first pressure reading meets a low-level threshold; determining if production valves were opened; terminating operation of the header pressure pump if second pressure reading meets a high-level threshold; and incrementing a pump counter by one. The method includes storing a first snapshot of a fluid level when the pump counter is greater than a pump cycle threshold and starting a predetermined time interval following storing of the first snapshot; storing a second snapshot of the fluid level after the predetermined time interval expires and calculating a difference between the second snapshot and the first snapshot; initiating an alarm when the difference is greater than an allowable leak threshold and resetting the pump counter at a specific time of day.