Tribochromic Liquid Storage Container for Reuse Defect Screening
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Solution Overview
Problem
Existing liquid storage containers, such as returnable bottles and ink bottles, face challenges in ensuring quality and preventing leakage during reuse due to potential defects that are difficult to detect visually.
Innovation Solution
Incorporating a compound in the storage, discharge, and sealing portions of the liquid storage container that exhibits tribochromism, allowing for simple defect inspection through changes in absorption spectrum peaks when pressure is applied, enabling effective screening and reuse of reliable containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If visual inspection is used to detect defects in liquid storage containers, then inspection simplicity is maintained, but detection precision is insufficient for subtle defects
Solution Approach 1:
The patent incorporates a color change agent in the container wall that causes the container to change color when subjected to pressure or stress, enabling visual detection of defects such as cracks or weak points. This transforms subtle structural defects into visible color changes, significantly improving defect detection precision while maintaining inspection simplicity through visual observation.
Solution Approach 2:
The patent replaces complex mechanical inspection systems with a chemical-optical indicator system. Instead of using sophisticated sensing devices or complex mechanical testing apparatus, the container itself provides visual feedback through color changes in response to stress, substituting mechanical inspection complexity with a simple visual detection method.
2Reliability
If returnable bottles are reused after cleaning, then resource conservation is achieved, but reliability of stored liquid is compromised due to undetected defects
Solution Approach 1:
The patent applies color change agents to the container walls before reuse, enabling preliminary detection of defects during the inspection phase. This preliminary action identifies potentially defective containers before they are allowed to store liquid, ensuring that only reliable containers enter service and preventing future leakage or contamination issues.
Solution Approach 2:
The color change mechanism provides immediate visual feedback about the structural integrity of the container. When pressure or stress is applied during inspection, defective areas change color, giving operators real-time feedback to determine whether the container is suitable for reuse, thereby ensuring reliability while minimizing resource waste through informed decisions.
3Reliability
If thorough inspection procedures are implemented to ensure container quality, then reliability is improved, but productivity decreases due to extended inspection time
Solution Approach 1:
The patent replaces time-consuming mechanical inspection procedures with rapid visual color change detection. The color change agents respond immediately to applied stress, allowing inspectors to quickly identify defects without prolonged mechanical testing or complex measurement procedures, thereby maintaining high reliability while significantly improving inspection throughput and productivity.
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
Facilitates cost-effective and reliable detection of defects in liquid storage containers, preventing leakage and ensuring quality, thereby supporting the reuse of containers with confirmed reliability.
Implementation Method 1
the liquid storage container comprises a compound whose absorption spectrum peak changes when a pressure is applied to cause deformation, and the compound exhibits tribochromism
Data Source
AI summary
A liquid storage container containing: a storage portion configured to store a liquid; a discharge portion configured to discharge the liquid; and a sealing portion configured to seal the discharge portion, wherein the liquid storage container contains a compound whose absorption spectrum peak changes when a pressure is applied to cause deformation, and the compound exhibits tribochromism.