Automatic Analyzer Reagent Temperature Control With Dual Heat Transfer
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Solution Overview
Problem
Existing automatic analyzers face challenges in maintaining precise temperature control of reagents at different stages of the analysis process, particularly when transitioning between environments with varying temperatures, which affects analysis accuracy.
Innovation Solution
The automatic analyzer employs a temperature adjustment unit with a first reagent temperature adjustment unit for contact heat transfer and a second reagent temperature adjustment unit for forced convection heat transfer, allowing for independent temperature regulation of multiple reagents to maintain optimal conditions regardless of ambient temperature changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single temperature adjustment mechanism is used for reagents, then the device complexity is reduced, but the temperature control precision for different reagents deteriorates
Solution Approach 1:
The temperature adjustment mechanism is segmented into multiple independent units, each dedicated to adjusting the temperature of specific reagents. The first reagent temperature adjustment unit handles reagents for the magnetic separation unit, while the second reagent temperature adjustment unit handles reagents for the analysis unit, enabling precise independent control of each reagent's temperature
Solution Approach 2:
Different parts of the system have different temperature adjustment capabilities matched to their specific needs. The first reagent temperature adjustment unit provides heating/cooling for reagents requiring larger temperature adjustments, while the second unit provides more precise temperature control for reagents supplied to the analysis unit, ensuring each reagent receives appropriate temperature management
2Adaptability or versatility
If the temperature adjustment range is expanded to handle different reagent temperatures, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The temperature adjustment system is divided into specialized units with different capabilities. The first reagent temperature adjustment unit is designed for reagents needing broader temperature adjustment ranges, while the second reagent temperature adjustment unit is optimized for precise temperature control, allowing the system to handle diverse temperature requirements without requiring all units to have maximum adjustment ranges
Solution Approach 2:
Both reagent temperature adjustment units share common functional capabilities (heating and cooling), but are configured with different adjustment ranges and precision levels to meet specific reagent requirements. This universal base design with specialized configurations reduces overall system complexity while maintaining high adaptability
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 ensures that reagents are accurately adjusted to appropriate temperatures, enhancing the detection accuracy of the analyzer by maintaining consistent reaction solution and reagent temperatures across varying environmental conditions.
Implementation Method 1
the first reagent temperature adjustment unit has a configuration for heating or cooling a first reagent by contact heat transfer
Implementation Method 2
the second reagent temperature adjustment unit has a configuration for heating or cooling a second reagent by contact heat transfer or forced convection heat transfer
Implementation Method 3
the second reagent temperature adjustment unit has a configuration for heating or cooling a second reagent by contact heat transfer or forced convection heat transfer
Data Source
AI summary
An automatic analyzer includes an analysis unit configured to perform an analysis on a specimen; and a processing unit configured to perform a preprocess on the specimen before the analysis. The processing unit is provided with a temperature adjustment unit configured to heat or cool air inside the processing unit, the temperature adjustment unit includes a first reagent temperature adjustment unit and a second reagent temperature adjustment unit. The first reagent temperature adjustment unit has a configuration for heating or cooling a first reagent by contact heat transfer, the second reagent temperature adjustment unit has a configuration for heating or cooling a second reagent by the contact heat transfer or forced convection heat transfer, and the first reagent temperature adjustment unit is configured to have a heat exchange amount larger than a heat exchange amount of the second reagent temperature adjustment unit.