Gas Purger Anomaly Detection in Fluid Delivery Systems
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Solution Overview
Problem
In fluid dispensing systems, premature removal of the gas purger during initial setup can lead to incomplete gas purging from the fluid conduit, causing air or gas ingestion by the fluid dispensing device, resulting in potential failure or sub-optimal performance.
Innovation Solution
A sensor-based system is implemented to determine the presence and integrity of the gas purger connected to the fluid conduit, issuing an alert if the gas purger is not present or operational, ensuring proper gas purging before connecting the fluid dispensing device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the gas purger is removed during initial setup, then the setup process can be completed, but gas may remain in the fluid conduit causing device failure or sub-optimal performance
Solution Approach 1:
The system performs a preliminary gas purging operation before allowing normal operation. The gas purger is activated during initial setup to remove gas from the fluid conduit, and the system verifies successful purging before permitting the purger to be removed or before allowing printing operations to commence.
Solution Approach 2:
The system includes sensors that detect the presence of gas in the fluid conduit and provide feedback to the controller. Based on this feedback, the controller determines whether gas purging is complete and whether it is safe to proceed with removal of the gas purger or commencement of printing operations.
2Reliability
If the gas purger remains connected during operation, then gas purging can be performed, but the device complexity increases
Solution Approach 1:
The gas purger is designed as a removable component that can be extracted from the system after it has served its purpose during initial setup. Once gas purging is confirmed complete, the gas purger can be removed from the fluid conduit, simplifying the system configuration for normal printing operations.
Solution Approach 2:
The gas purger functions as a temporary, single-use component that is only needed during initial setup. It is designed to be discarded or removed after completing its gas purging function, rather than being a permanent part of the printing system.
Data Source
AI summary
In some examples, a controller is to receive sensor data from a sensor associated with a fluid delivery system that delivers fluid from a fluid reservoir to a fluid conduit, determine, based on the sensor data, presence or integrity of a gas purger that is to be fluidically coupled to the fluid conduit, and issue an alert to indicate a gas purger anomaly condition based on the determining.