Pressure-Switch Logging for High-Pressure Cleaning Lance Drives
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Solution Overview
Problem
Conventional waterblasting industrial equipment lacks data collection apparatus and methodology for operating times, pressures, and ancillary operations, necessitating sporadic maintenance and manual safety measures.
Innovation Solution
A data logger device with a pressure sensing switch and datalogging processor is integrated into a high-pressure cleaning lance drive apparatus to collect and log operational data, including pressure and time stamps, and can automatically control safety functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional waterblasting equipment is used without data collection apparatus, then device complexity remains low, but reliability and maintenance efficiency deteriorate due to lack of operational data
Solution Approach 1:
A data logger device is introduced as an intermediary component between the existing lance drive apparatus and the maintenance system. This mediator collects operational data (pressure, time, frequency) without fundamentally altering the core cleaning function, thereby improving maintenance reliability while adding minimal complexity to the overall system
Solution Approach 2:
Manual inspection and maintenance scheduling is replaced by an automated data collection and analysis system. The mechanical/manual process of tracking operational history is substituted with electronic sensing, processing, and communication systems that automatically monitor and report device status
2Productivity
If manual inspection and sporadic maintenance are used, then device complexity remains low, but loss of time increases due to reactive maintenance approach
Solution Approach 1:
The system performs preliminary monitoring and analysis of operational data continuously, identifying potential issues before they manifest as failures. By analyzing pressure patterns, operational frequency, and runtime parameters in advance, the system enables proactive maintenance scheduling that prevents unexpected downtime
Solution Approach 2:
The data logger provides continuous feedback on operational status through processed data that highlights trends, anomalies, and maintenance needs. This feedback loop enables real-time adjustment of maintenance schedules, transitioning from fixed periodic maintenance to dynamic condition-based maintenance that optimizes productivity
3Loss of information
If no data collection methodology is implemented, then ease of operation is maintained, but loss of information occurs regarding operational history and safety risks
Solution Approach 1:
The data logger device serves multiple functions simultaneously: it collects pressure data, tracks operational time, monitors frequency of use, and identifies safety-related events. This multi-functionality consolidates what would otherwise require multiple separate systems into a single integrated device, minimizing complexity while maximizing information retention
Solution Approach 2:
The system creates digital copies of operational data that persist independently of physical wear or loss. By electronically storing and archiving operational history, the system preserves critical information about maintenance cycles, pressure patterns, and safety events without relying on manual records that could be lost or corrupted
4Reliability
If automated safety control is implemented, then reliability improves through automated hazard detection, but device complexity increases due to additional control systems
Solution Approach 1:
The data logger acts as an intermediary between the lance drive system and safety control functions. It collects operational data and presents it in a format that triggers automated safety responses without requiring complex real-time control algorithms, thereby improving safety reliability while keeping control system complexity manageable
Solution Approach 2:
The system performs self-monitoring and self-reporting of safety-critical parameters such as excessive pressure, abnormal operational patterns, and potential hazards. This self-service capability enables automated safety interventions without requiring external monitoring systems, reducing overall complexity while enhancing safety reliability
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
Enhances maintenance efficiency by providing detailed operational data and enabling automated safety measures, reducing manual intervention and response time for potential hazards.
Implementation Method 1
a pressure actuated switch in the housing communicating with fluid in the connector fitting operable to switch between predetermined positions upon sensing a predetermined pressure within the fluid
Implementation Method 2
the pressure transducer is a piezoelectric pressure cell operable to continuously monitor air pressure values in the air line in real time
Data Source
AI summary
A data logger device for monitoring operation of a flexible lance drive apparatus is disclosed that includes a cylindrical housing removably connected to an air fluid pressure line to the drive apparatus, a circuit board mounted in the housing, a pressure sensing switch mounted on the circuit board and communicating with the fluid in the pressure line, and a processor and memory on the board operable to log time at which the switch changes state between two predetermined states.