Portable Cooler Active Temperature Control for Medicine Potency
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Solution Overview
Problem
Certain medicines, such as epinephrine and vaccines, require specific temperature ranges to maintain their effectiveness, and existing portable coolers fail to maintain these conditions during varying ambient temperatures, risking their potency.
Innovation Solution
A portable cooler with active temperature control using thermoelectric elements and a heat sink system to regulate temperature, coupled with a fan and phase change material for backup cooling, along with data logging and wireless communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If passive cooling methods are used, then device complexity is reduced, but temperature control reliability deteriorates under varying ambient conditions
Solution Approach 1:
The system dynamically adjusts cooling parameters by switching between active thermoelectric cooling and passive evaporative cooling modes based on ambient temperature conditions, maintaining reliable temperature control while adapting system complexity to operational needs
Solution Approach 2:
The cooling system transitions from a static passive design to a dynamic hybrid system that actively adjusts its cooling mechanism based on real-time temperature conditions, ensuring reliability across varying environmental scenarios
2Stability of the object's composition
If active temperature control is implemented, then temperature stability is improved, but device complexity increases
Solution Approach 1:
The temperature control system is divided into separate functional modules: active thermoelectric cooling components and passive evaporative cooling components, allowing independent operation and maintenance of each segment while achieving overall temperature stability
Solution Approach 2:
A control system acts as an intermediary between temperature sensors and cooling mechanisms, intelligently selecting and coordinating between active and passive cooling methods to achieve stable temperature control without requiring complex integrated design
3Measurement precision
If temperature monitoring and logging are added, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The monitoring system automatically logs temperature data and communicates it to external devices without requiring manual intervention, achieving precise temperature tracking while minimizing operational complexity through autonomous functionality
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
Maintains the required temperature range for medicines, ensuring their potency and provides temperature history logging and remote monitoring.
Implementation Method 1
The container comprises a temperature control system comprising one or more thermoelectric elements (e.g., Peltier elements) configured to actively heat or cool a heat sink component
Implementation Method 2
coupled with a fan and phase change material for backup cooling
Data Source
AI summary
A portable cooler container with active temperature control system is provided. The active temperature control system is operated to heat or cool a chamber of a vessel to approach a temperature set point suitable for a medication stored in the cooler container.