Pressure Compensation System Automatic Oil Refilling
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Solution Overview
Problem
Current pressure compensation devices for underwater or deep-sea construction equipment lack real-time pressure detection and automatic oil refilling capabilities, leading to inefficiencies and potential water seepage due to manual monitoring and oil leakage.
Innovation Solution
A self-contained pressure compensation system with a pressure compensation device that includes a displacement sensor to detect piston position, an oil supply device, and a switch control device to automatically refill oil when the chamber pressure falls below a threshold, ensuring effective pressure compensation and preventing water seepage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual monitoring and oil refilling is used, then device complexity is reduced, but productivity decreases and reliability deteriorates due to water seepage risks
Solution Approach 1:
The pressure compensation device automatically monitors its own chamber pressure and triggers oil refilling when pressure drops below the first threshold, eliminating the need for manual intervention and enabling the system to service itself
Solution Approach 2:
The displacement sensor continuously provides feedback on piston position to the control device, which automatically adjusts oil supply based on real-time pressure conditions, creating a closed-loop control system that responds dynamically to system state
2Productivity
If manual oil refilling is performed, then device complexity is minimized, but loss of time increases due to frequent manual intervention
Solution Approach 1:
The system automatically detects when oil refilling is needed through real-time pressure monitoring and executes the refilling operation without requiring operators to manually intervene, thereby eliminating time loss associated with manual refilling cycles
Solution Approach 2:
The automatic pressure monitoring and refilling system ensures continuous operation of the pressure compensation device by maintaining optimal oil levels without interruption, preventing downtime that would occur with manual refilling
3Reliability
If real-time pressure detection is implemented, then reliability is improved, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The displacement sensor serves multiple functions: it monitors piston position, detects chamber pressure changes, and provides control signals for automatic refilling, thereby achieving real-time pressure monitoring without adding separate dedicated components
Solution Approach 2:
The control device integrates the functions of pressure monitoring, threshold comparison, and oil supply control into a single unit, reducing overall system complexity by combining multiple control functions rather than using separate components for each function
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 system enables real-time pressure detection and automatic oil refilling, enhancing construction efficiency and maintaining internal pressure higher than external pressure, thus preventing water seepage and improving the reliability of the power unit.
Implementation Method 1
a displacement sensor fixed to an upper end of the pressure compensation device, for detecting a position of the piston relative to the upper end of the pressure compensation device
Implementation Method 2
supplying oil to the oil storage bladder through the first main oil passage, causing a volume increase of the oil storage bladder and thus causing the oil in the oil storage tank to be squeezed by the oil storage bladder
Implementation Method 3
the pressure compensation device supplying oil to the power unit and detecting a change in a chamber pressure of the pressure compensation device itself in real time
Data Source
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AI summary
A self-contained pressure compensation system and a control method thereof are provided, wherein the self-contained pressure compensation system comprises a oil supply device, a pressure compensation device, a power unit associated with the pressure compensation device, and a switch control device, the pressure compensation device supplies oil to the power unit and detects a change in a chamber pressure of itself in real time, the switch control device triggers the oil supply device to supply oil to the pressure compensation device if the chamber pressure is less than a predetermined first threshold and triggers the oil supply device to stop supplying oil to the pressure compensation device if the chamber pressure is greater than a predetermined second threshold. The invention can detect a chamber pressure of the pressure compensation device in real-time and can achieve automatic oil refilling, and can provide pressure compensation for the power unit effectively.