Analysis Cell with Dual Acoustic Impedance Walls
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Solution Overview
Problem
Spectroscopic analysis of large or multiple liquid samples requires frequent container replacement and cleaning, burdening the user with repetitive and labor-intensive processes.
Innovation Solution
A detachable and replaceable analysis cell with a light-transmitting first wall surface pair and an ultrasonic wave-propagating second wall surface pair, made of materials with different acoustic impedances, allows for efficient flocculation of particles and reduced user burden by simplifying the analysis process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the liquid sample is placed in a predetermined container for spectroscopic analysis, then the analysis can be performed, but frequent container replacement and cleaning is required for large or multiple samples, increasing user burden
Solution Approach 1:
The container is divided into a reusable holder and a disposable analysis cell. The holder remains in the device and is reused, while the analysis cell is detached, used once, and discarded. This segmentation eliminates the need for cleaning and reduces user burden while maintaining high analysis throughput for multiple samples.
Solution Approach 2:
The analysis cell is designed as a disposable component that is discarded after a single use. This eliminates the need for cleaning and preparation for subsequent samples, significantly reducing user burden and increasing productivity when analyzing large or multiple liquid samples.
2Measurement precision
If particles are flocculated by generating a standing wave of ultrasonic wave, then particle aggregation is achieved, but the container material must transmit both light and ultrasonic waves effectively
Solution Approach 1:
Different wall surfaces of the analysis cell are made from materials with different acoustic impedances. The first wall surface pair uses materials optimized for light transmission, while the second wall surface pair uses materials optimized for ultrasonic wave transmission. This local differentiation allows each surface to perform its specific function effectively without compromising the other.
Solution Approach 2:
The analysis cell employs composite material construction with at least two different materials having different acoustic impedances. This composite structure enables the cell to simultaneously transmit light for spectroscopic analysis and ultrasonic waves for particle flocculation, resolving the material requirement conflict.
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
The solution reduces user burden by enabling efficient spectroscopic analysis with reduced need for container replacement and cleaning, facilitating continuous analysis of liquid samples while maintaining accurate component quantification.
Implementation Method 1
a first wall surface pair that is made of a material transmitting a light
Implementation Method 2
a second wall surface pair for propagating an ultrasonic wave to the accommodated liquid sample
Implementation Method 3
particles contained in a liquid sample are flocculated by generating a standing wave of an ultrasonic wave in the liquid sample
Implementation Method 4
particles contained in a liquid sample are flocculated by generating a standing wave of an ultrasonic wave in the liquid sample
Implementation Method 5
a first wall surface and a second wall surface forming the second wall surface pair and facing each other, are famed of materials having different acoustic impedances
Data Source
AI summary
It is possible to reduce a burden on a user in performing a spectroscopic analysis of a liquid sample. There is provided an analysis cell that is detachable and replaceable with respect to an analysis unit and accommodates a liquid sample, the analysis cell including a first wall surface pair that is made of a material transmitting a light, and a second wall surface pair for propagating an ultrasonic wave to the accommodated liquid sample, in which a first wall surface and a second wall surface forming the second wall surface pair and facing each other, are formed of materials having different acoustic impedances.