Multi-Port Printer Calibration Check System
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Solution Overview
Problem
Current calibration methods for multi-port printers are time-consuming and inefficient, requiring extensive procedures to ensure consistent liquid flow rates, which can significantly reduce manufacturing throughput.
Innovation Solution
A calibration check system that alternately connects a reference mass flow controller to each port of the printer, monitoring deviations in flow rates and terminating the check when deviations fall below a set point, allowing for faster identification of when calibration is required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional mass balance calibration method is used for each port, then flow rate accuracy is ensured, but calibration time increases significantly (20-30 minutes per port)
Solution Approach 1:
The patent uses a reference mass flow controller to create a reference flow rate curve that serves as a template for calibrating multiple ports. Instead of performing full calibration on each port individually, the system copies the reference curve and compares actual port readings against it, significantly reducing calibration time while maintaining accuracy through the deviation threshold check
Solution Approach 2:
The system performs preliminary calibration to establish a reference flow rate curve before rapid calibration checks. This preliminary action creates a baseline that enables subsequent quick comparisons, allowing the system to determine when calibration is needed without repeatedly performing full calibration procedures on all ports
2Manufacturing precision
If complete electronic devices are produced and tested for uniform luminance, then flow rate uniformity is verified, but manufacturing time and cost increase
Solution Approach 1:
The patent extracts the calibration verification function from the complete device production and testing process. By isolating the flow rate measurement and comparison against reference curves, the system verifies flow uniformity without requiring complete device assembly and luminance testing, thereby maintaining precision while improving productivity
Solution Approach 2:
The system performs preliminary flow rate verification through rapid calibration checks before complete device production. By checking deviations against reference curves early in the process, it determines whether full production and testing are necessary, reducing unnecessary manufacturing steps
3Measurement precision
If individual port calibration is performed using flow meter with three distinct flow rates, then accurate flow rate curve is established, but calibration time exceeds 20 minutes per port
Solution Approach 1:
The patent applies partial calibration action by performing rapid calibration checks that compare readings against an established reference curve, rather than performing full calibration with multiple flow rates on each port. The deviation threshold check ensures sufficient accuracy is achieved without the excessive time requirement of complete calibration procedures
Solution Approach 2:
The reference flow rate curve is established in advance through preliminary calibration, enabling subsequent rapid checks to determine when calibration is needed without repeatedly performing time-consuming multi-flow-rate procedures
Data Source
AI summary
A liquid flow calibration check system applied to a multi-port printer is presented to determine whether full calibration of the multi-port printer is required to obtain accurate mass flow rates within conduits of the multi-port printer.