Aseptic Filling Partition Wall Leak Detection for Abnormality Monitoring
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Solution Overview
Problem
Existing aseptic filling systems face challenges in efficiently detecting and addressing abnormalities in partition walls, such as damage or installation failures, which compromise the aseptic state, requiring time-consuming and labor-intensive manual inspections of multiple components.
Innovation Solution
A system and method for detecting partition wall abnormalities using a detection medium supplied to a closed space formed by the partition wall, movable shaft portion, and support portion, which leaks when an abnormality occurs, allowing for non-invasive detection of issues in multiple partition walls simultaneously.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a partition wall is provided between the sterile chamber and non-sterile chamber to prevent contamination, then aseptic filling reliability is improved, but the structure becomes more complex and difficult to detect abnormalities
Solution Approach 1:
A transparent partition wall is introduced as an intermediary structure between the sterile and non-sterile chambers. This partition wall maintains the spatial separation needed for contamination prevention while allowing visual inspection and light transmission, thus resolving the contradiction between reliability improvement and structural complexity increase.
Solution Approach 2:
The partition wall is designed with transparent or translucent properties that enable visual detection of abnormalities. By utilizing optical properties (transparency/translucency), the system allows operators to visually monitor the partition wall condition without adding complex sensing systems, addressing both the reliability requirement and the complexity concern.
2Reliability
If a partition wall is provided between the sterile chamber and non-sterile chamber, then contamination is prevented, but abnormality detection becomes more difficult
Solution Approach 1:
The transparent partition wall serves as a mediator that simultaneously achieves contamination prevention and abnormality detection. Its transparency property allows it to function as both a physical barrier against contamination and a visible structure for monitoring abnormalities, thus resolving the contradiction between contamination prevention and detection difficulty.
Solution Approach 2:
By designing the partition wall with specific optical properties (transparent or translucent), the system enables visual detection of abnormalities such as condensation, cracks, or positioning issues. This optical design allows the partition wall to maintain its contamination prevention function while becoming detectable, resolving the contradiction between reliability and detection difficulty.
3Manufacturing precision
If the partition wall position is not accurately controlled, then filling accuracy deteriorates, but adding position control mechanisms increases device complexity
Solution Approach 1:
The patent replaces complex mechanical position control mechanisms with a detection system that uses the transparent partition wall itself as a reference. By utilizing the partition wall's optical properties and simple detection means (such as sensors detecting the partition wall position), the system achieves accurate filling control without adding complex mechanical control mechanisms, resolving the contradiction between filling accuracy and device complexity.
Data Source
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AI summary
The present invention provides a system and a method with which it is possible to easily recognize an abnormality that can occur in a partition wall used for aseptic filling, and thereby contributes to reduction in maintenance cost of an aseptic filling device and improvement in productivity. This partition wall abnormality detection system comprises: an aseptic region in which discharge parts of filling valves are disposed; a non-aseptic region; at least one type of functional unit selected from among a plurality of closure devices, a plurality of filling valves, and a plurality of capping heads; and a medium supply part which is configured to be capable of supplying, to a plurality of the functional units, a detection medium used for detecting an abnormality related to a partition wall included in the functional unit. The enclosed space formed by the partition wall retains therein the detection medium supplied from the medium supply part in the case where there is no abnormality, and causes the detection medium to leak therefrom in the case where there is an abnormality.