Transport Rack Dual Observation Windows for Liquid Level Detection
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Solution Overview
Problem
Automatic analyzing apparatuses face errors in liquid level detection due to air bubbles and storage container orientation issues, leading to incorrect sampling and increased operational complexity.
Innovation Solution
The transport rack is designed with dual observation windows, allowing for simultaneous reading of identification information and observation of liquid levels without rotating the storage container, using a configuration with first and second observation windows on opposite sides of the transport rack.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single slit is provided in the transport rack for reading identification information, then the structure is simple, but the liquid level cannot be observed due to being hidden by identification information
Solution Approach 1:
The transport rack is divided into two separate observation areas: a first slit for reading identification information and a second slit for observing the liquid level. This segmentation allows both functions to be performed independently without interference, resolving the contradiction between structural simplicity and observation capability.
2Difficulty of detecting and measuring
If the storage container is rotated to observe the liquid level after reading identification information, then the liquid level can be observed, but the operation becomes complicated and time-consuming
Solution Approach 1:
The transport rack is pre-configured with two slits positioned to allow simultaneous or sequential access to both the identification information and the liquid level without requiring rotation of the storage container. This preliminary arrangement of observation paths eliminates the need for complex rotational operations.
3Extent of automation
If electrostatic capacitance method is used for liquid level detection, then automated detection is achieved, but air bubbles are erroneously detected as liquid level
Solution Approach 1:
A camera is introduced as an intermediary device to visually capture the liquid level through the second slit, providing a backup or alternative detection method to the electrostatic capacitance sensor. This allows verification and correction of erroneous detections caused by air bubbles, improving reliability while maintaining automation.
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 enables accurate liquid level observation and identification information reading before sampling, reducing errors and simplifying operations by allowing for direct observation without container rotation.
Implementation Method 1
a reading unit that reads identification information on the storage container held by the holder through the first observation window and reads observation result information of the sample or the reagent stored in the storage container through the second observation window
Data Source
AI summary
A transport rack according to the present embodiment comprises a holder configured to hold a storage container that stores a sample or a reagent that is reacted with the sample, a first observation window configured to enable reading of identification information on the storage container, and a second observation window configured to enable observation of the sample or the reagent stored in the storage container.