Portable liquid pump with integrated chiller and heater
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Solution Overview
Problem
Existing portable refrigeration solutions for maintaining temperature-sensitive products, such as medicines and testing instruments, lack effective components to consistently regulate temperatures during transport, leading to potential degradation due to uncontrolled temperature fluctuations.
Innovation Solution
A portable liquid pump with an integrated chiller and heater system utilizing a Peltier element-based heat exchanger, powered by a battery, which pressurizes and directs a liquid through a cold-side heat exchanger to maintain temperature stability by converting electrical current into a temperature difference, effectively managing temperature gradients and providing data logging capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a portable refrigeration system is designed to maintain temperature-sensitive products during transport, then temperature stability is improved, but device complexity increases due to the need for integrated pump, chiller, and heater components
Solution Approach 1:
The patent combines the pump component, chiller component, and heater component into a single integrated portable refrigeration system. The pump component includes a pump chamber with inlet and outlet ports, the chiller component integrates a cold-side heat exchanger and hot-side heat exchanger, and the heater component provides heating capability. This merging of multiple temperature control functions into one device achieves temperature stability while managing the inherent complexity through unified design.
Solution Approach 2:
The portable refrigeration system is designed to perform multiple functions: pumping liquid, cooling via the chiller component, and heating via the heater component. The pump component can direct liquid flow in different directions, the Thermo-electric element can operate in both cooling and heating modes, and the system can maintain temperature stability across different transport conditions. This multi-functionality allows a single device to address various temperature control needs.
2Measurement precision
If a Thermo-electric element-based heat exchanger is used to convert electrical current into temperature difference, then temperature control precision is improved, but energy consumption increases
Solution Approach 1:
The Thermo-electric element converts electrical current into a temperature difference, allowing precise control of the temperature gradient between the cold-side and hot-side heat exchangers. By adjusting the electrical current parameters, the system can achieve precise temperature control for temperature-sensitive products during transport, while the battery component provides portable power supply.
3Reliability
If a pump component is designed to seal and pressurize liquid for directed flow, then temperature control reliability is improved, but device complexity increases
Solution Approach 1:
The pump component is integrated with the chiller and heater components into a unified portable refrigeration system. The pump chamber with inlet and outlet ports is sealed to prevent liquid escape, and the pump component directs liquid flow over the cold-side heat exchanger and through the outlet port. This integration ensures reliable temperature control while managing complexity through combined design.
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 system effectively maintains temperature stability of temperature-sensitive materials during transport, ensuring they remain within specified ranges, thereby preventing degradation and providing verification through data logging.
Implementation Method 1
a Thermo-electric element component includes the Thermo-electric element-based cold-side heat exchanger and a hot-side heat exchanger, wherein the Thermo-electric element component converts an electrical current into a temperature difference that in turn causes heat to flow from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger
Data Source
AI summary
In one aspect, a portable liquid pump with integrated chiller and heater system includes a pump component includes a pump, a liquid chamber, an inlet port and an outlet port. The pump component seals a liquid so that it does not escape except by the inlet port and the exit port. The pump component pressurizes and directs the liquid in a warm state from the inlet port over a Thermo-electric element-based cold-side heat exchanger and through the outlet port. A Thermo-electric element component includes the Thermo-electric element-based cold-side heat exchanger and a hot-side heat exchanger, wherein the Thermo-electric element component converts an electrical current into a temperature difference that in turn causes heat to flow from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger. A battery component includes an electrical energy storage component that provides electrical power to the Thermo-electric element component that in turn pumps heat from the Thermo-electric element-based cold-side heat exchanger to the hot-side heat exchanger.