Rotating Needle Liquid Dispensing Device for Container Integrity
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Solution Overview
Problem
Liquids in containers are prone to degradation when exposed to ambient environments during dispensing, leading to quality loss due to oxidation and chemical reactions, and existing systems fail to effectively prevent this while maintaining container integrity.
Innovation Solution
A liquid dispensing device with a needle that penetrates containers without tearing and a motion control system to rotate the needle, combined with atmospheric and thermal regulation, identification sensors, and automated mechanisms for extraction and notification, to preserve liquid quality and prevent solids from being dispensed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a needle penetrates a container to dispense liquid, then liquid extraction is enabled, but the container may be torn or damaged at the penetration point
Solution Approach 1:
The needle is rotated during penetration of the container, which prevents the container material from tearing or deforming at the penetration point. The rotation distributes the mechanical stress and allows the needle to pass through without causing damage to the container structure.
2Reliability
If the needle rotates during penetration, then container tearing is prevented, but the device complexity increases
Solution Approach 1:
The motion control system is configured to perform multiple functions: it controls both the rotation of the needle during penetration and the linear movement of the needle into and out of the container. By combining these functions into a single control system, the overall device complexity is managed while achieving the desired needle rotation effect.
3Ease of operation
If liquids are exposed to ambient environment during dispensing, then dispensing is enabled, but liquid quality degrades due to oxidation and chemical reactions
Solution Approach 1:
The system maintains a controlled atmosphere within the container during liquid dispensing, preventing oxidation and chemical reactions by excluding ambient air. This allows the liquid to be dispensed without quality degradation from exposure to oxygen or other reactive components in the ambient environment.
Data Source
Figure 1
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Figure 3A
AI summary
A liquid dispensing device includes a needle. The needle is adapted to penetrate a container without tearing out a portion of the container. The portion of the container is near a point of penetration on the container. The liquid dispensing device includes a motion control system. The motion control system is configured to rotate the needle while the needle penetrates the container.