Liquid Container Detection Chamber Suction Design
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Solution Overview
Problem
Conventional liquid containers with detection elements often experience lingering liquid in the detection chamber, preventing complete exhaustion of the liquid, which can occur with optical, electrical, or physical detection methods.
Innovation Solution
A liquid container with a detection chamber featuring a suction port and a projecting part on its side wall, where the suction port is positioned to maintain a covered state, ensuring liquid is suctioned until the bottom surface, and the design includes a gap and capillary forces to facilitate complete liquid removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a detection chamber is provided within the liquid container to detect liquid presence, then liquid detection capability is improved, but liquid may linger in the detection chamber preventing complete exhaustion
Solution Approach 1:
The detection chamber is segmented from the main liquid chamber by a partition wall, creating a separate detection zone. This segmentation allows the detection chamber to be structurally integrated while functionally distinct, enabling liquid to be completely exhausted from both chambers through separate pathways (suction port for detection chamber, liquid drain port for main chamber).
Solution Approach 2:
The partition wall acts as an intermediary structure between the main liquid chamber and detection chamber. It provides both structural support for the detection chamber and a controlled interface that allows liquid level detection while preventing direct communication between chambers, thus enabling complete liquid exhaustion without compromising detection functionality.
2Reliability
If the suction port is positioned high to maintain liquid coverage, then liquid suction reliability is improved, but liquid cannot be completely exhausted from the detection chamber
Solution Approach 1:
The liquid level in the detection chamber dynamically adjusts during liquid exhaustion. Initially, the liquid level is high enough to cover the suction port for reliable detection. As liquid is exhausted, the level drops, and the partition wall prevents air from the main chamber from entering the detection chamber, ensuring complete exhaustion without compromising initial suction reliability.
Solution Approach 2:
The partition wall creates separate liquid exhaustion pathways for the detection chamber and main liquid chamber. The suction port in the detection chamber can be positioned to exhaust liquid completely from that chamber, while the liquid drain port handles the main chamber, allowing both chambers to be completely exhausted without conflicting requirements.
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
This configuration effectively prevents liquid from lingering in the detection chamber, allowing for reliable and complete suction of the liquid, even when the liquid level is shaken during use.
Implementation Method 1
the liquid inside the detection chamber being fed to the liquid drain port via the suction port
Implementation Method 2
a state where the suction port is covered with the liquid is maintained
Data Source
AI summary
A liquid container includes a liquid drain port, a detection chamber, a detection element, a suction portion and a projecting part. The liquid drain port is configured and arranged to supply a liquid to a liquid ejection apparatus. The detection chamber has a bottom surface and a first side wall surface erected from the bottom surface. The detection element is disposed in the detection chamber, and configured and arranged to detect whether or not liquid exists inside the detection chamber. The suction port is provided to the first side wall surface of the detection chamber so that the liquid inside the detection chamber is fed to the liquid drain port via the suction port. The projecting part is provided on the first side wall surface and surrounds at least a part of the suction port.