Fluid Thermal Processing Device with Uniform Chamber
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Solution Overview
Problem
Current fluid thermal processing systems are bulky, complex, expensive, and lack precise temperature control, making them inefficient and difficult to use, especially for portable and rapid thermal cycling applications like PCR protocols.
Innovation Solution
The development of fluid thermal processing devices and methods featuring a high surface-to-volume ratio platform with a uniform thickness chamber and high thermal diffusivity materials, supporting distinct heating and temperature sensing elements, enabling efficient and precise temperature control for rapid thermal cycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fluid thermal processing systems are used, then heating and cooling functions are provided, but the systems are bulky, complex, and expensive with poor portability
Solution Approach 1:
The heating element and temperature sensor are integrated onto a single substrate, combining multiple functions into one compact unit. This merging of components directly reduces device complexity and improves portability while maintaining both heating and temperature sensing capabilities
Solution Approach 2:
The substrate serves multiple functions simultaneously: it supports the heating element, mounts the temperature sensor, provides thermal conduction, and acts as the structural platform. This multi-functionality reduces the number of separate components needed, thereby simplifying the overall system
2Measurement precision
If conventional thermal processing systems are used, then heating is provided, but temperature control is imprecise and thermal cycling is slow
Solution Approach 1:
The temperature sensor provides real-time temperature feedback to the control system, enabling precise temperature control. This feedback mechanism allows the system to adjust heating power dynamically to maintain the desired temperature, improving both precision and response time
Solution Approach 2:
The use of a thin substrate with high thermal diffusivity materials enables rapid heat distribution throughout the fluid chamber. The thin film structure reduces thermal mass, allowing faster heating and cooling rates while maintaining uniform temperature distribution
3Stability of the object's composition
If conventional heating systems are used, then heating is provided, but heat distribution is non-uniform
Solution Approach 1:
The system uses materials with specifically selected high thermal diffusivity parameters to enhance heat distribution. By changing the material parameters (selecting materials with superior thermal conduction properties), the system achieves more uniform heat distribution across the fluid chamber
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 solution provides faster and more uniform thermal processing, reducing reagent and device costs, and enabling portable, mobile thermal cycling applications.
Implementation Method 1
heating the fluid within the chamber with a heating element
Implementation Method 2
sensing a temperature of the fluid within the chamber with a temperature sensor
Data Source
AI summary
A fluid thermal processing device may include a substrate, a platform projecting from the substrate, a fluid heating element supported by the platform, a temperature sensing element, distinct from the fluid heating element, supported by the platform and an enclosure supported by and cooperating with the substrate to form a fluid chamber about the platform. The fluid chamber forms a volume of uniform thickness conforming to and about the platform.