Liquid Delivery Cap Alignment Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Liquid delivery devices face challenges in accurately detecting the position and condition of plungers within cap devices, leading to potential inaccuracies in measuring liquid volume and dosage information, especially when the device is not properly aligned.
Innovation Solution
The cap device incorporates sensors to detect axial and radial positions of the liquid delivery device, providing feedback mechanisms such as mechanical, visible, and audible signals to ensure proper alignment, and uses a movable sensor carriage to facilitate accurate detection of the plunger position and volume without requiring extensive manual manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the cap device uses sensors to detect alignment position, then measurement precision of plunger position is improved, but device complexity increases
Solution Approach 1:
The patent replaces manual alignment procedures with an automated optical sensor system that detects the alignment position of the liquid delivery device relative to the cap device. The sensor carriage moves along the cavity to detect alignment features, substituting mechanical manual operations with an automated sensing system that improves measurement precision while managing complexity through systematic design.
2Ease of operation
If the sensor carriage is movable to detect alignment, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The sensor carriage system operates autonomously to detect alignment position without requiring manual intervention. When the liquid delivery device is inserted into the cap device, the sensor carriage automatically moves along the cavity, detects alignment features, and determines whether proper alignment is achieved, allowing the device to self-verify its operational state.
3Reliability
If alignment verification is implemented, then reliability of dosage measurement is improved, but loss of time occurs during alignment checking
Solution Approach 1:
The alignment detection is performed automatically as part of the device insertion process itself, rather than as a separate subsequent step. The sensor carriage detects alignment position immediately when the liquid delivery device is placed in the cap device, verifying proper positioning before dosage measurement begins, thus ensuring reliability without significant time loss.
Data Source
AI summary
A cap device for a liquid delivery device operates to detect a position of the liquid delivery device relative to the cap device as the liquid delivery device is inserted to the cap device and rotated relative to the cap device. The cap device includes one or more sensors configured to detect a position of the liquid delivery device relative to the cap device. The position of the liquid delivery device can be used to determine whether the liquid delivery device is inserted and arranged in an appropriate axial and/or radial position relative to the cap device so that the cap device can accurately detect a condition of the liquid delivery device.