Automatic Analyzer Water Tank Layout for Degassed Water Supply
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Solution Overview
Problem
Automatic analyzers are bulkier due to the need for a separate degassing device and buffer tank to handle degassed water, which is unnecessary in all areas of the system, leading to inefficiencies and complexity.
Innovation Solution
A common tank with partitioned compartments for non-degassed and degassed water, where the degassed water is only used where necessary, and a circulation system to efficiently manage water usage, reducing the size and complexity of the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate buffer tank is provided for storing degassed water, then sufficient degassed water supply is ensured, but the device becomes large and complicated
Solution Approach 1:
The patent merges the buffer tank function with the water supply tank by providing a water supply tank that stores both ordinary water and degassed water. The tank includes a water supply port for ordinary water and a separate water supply port for degassed water, eliminating the need for a separate buffer tank while ensuring reliable degassed water supply to the syringe pump.
2Measurement precision
If degassed water is supplied to all systems, then pressure propagation accuracy is improved, but the device size increases due to larger degassing device
Solution Approach 1:
The patent applies local quality by providing degassed water only to the syringe pump system where precise pressure propagation is critical for accurate sample and reagent dispensing. Other systems that do not require high precision continue to use ordinary water from the water supply tank, thus minimizing the volume of the degassing device while maintaining measurement precision where needed.
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 allows for the miniaturization and simplification of the system by eliminating unnecessary components and optimizing water usage, while maintaining accurate pressure propagation and degassing performance.
Implementation Method 1
a degassing device for producing the degassed water
Implementation Method 2
a pump for delivering the degassed water
Data Source
AI summary
This automated analyzer comprises a first system 11 that does not need to use degassed water, a second system 12 for which it is preferable to use degassed water and that comprises a degassing device 21 for producing degassed water and a second pump 19 for delivering the degassed water, and a tank 1 having formed therein a first compartment 4 for storing water to supply to the first system 11 and a second compartment 5 for storing degassed water to supply to the second system 12. The second system 12 comprises a circulation system, which comprises a suction flow path 20 and return flow path 24 for connecting the degassing device 21, the second pump 19, and the second compartment 5 of the tank 1, and a usage system, which comprises a discharge flow path 22 and connection flow path 27 for connecting the degassing device 21 and a usage unit for using the degassed water. Provided inside the tank 1 are a partition 3 for forming the first compartment 4 and second compartment 5 and a water passage part 6 where water moves between the first compartment 4 and second compartment 5.