Refrigeration System Heat Exchange Loop for Passive Component Cooling
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Solution Overview
Problem
Existing refrigerator vans face inefficiencies in heat dissipation, with current methods either being ineffective or costly, and occupy significant space, while also risking fan failure due to dust accumulation.
Innovation Solution
A refrigeration system comprising a compressor, condenser, reservoir, throttling device, and evaporator, with a cooling device that uses a heat exchange container and flow pipes to form a circulation loop driven by liquid level differences, eliminating the need for external power and reducing energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fans or ventilation openings are used for heat dissipation, then heat dissipation function is provided, but heat dissipation efficiency is poor and fan reliability decreases due to dust accumulation
Solution Approach 1:
The invention extracts the heat dissipation function from the refrigeration system by using the waste heat from high-temperature components to drive a separate heat exchange loop. This independent loop uses the temperature difference between hot components and ambient air to achieve heat dissipation without requiring fans or ventilation openings, thereby eliminating dust accumulation issues while maintaining effective heat dissipation.
Solution Approach 2:
The heat dissipation system serves itself by utilizing the waste heat from high-temperature components as the driving force. The temperature difference between the hot components and ambient air creates natural convection currents that drive the heat exchange process, eliminating the need for external power sources or mechanical components like fans.
2Productivity
If an additional cooling system with heat exchanger and pump device is added, then heat exchange efficiency is high, but system cost increases and structure becomes complex
Solution Approach 1:
The invention extracts and eliminates the pump device from the traditional cooling system. By using natural convection driven by temperature differences, the system achieves effective heat exchange without requiring mechanical pumping, thereby simplifying the overall structure while maintaining high heat exchange efficiency.
Solution Approach 2:
The invention replaces the mechanical pump system with a thermal-driven natural convection system. The temperature difference between hot and cold regions creates buoyancy forces that drive fluid circulation, substituting mechanical energy input with thermal energy conversion and eliminating the need for mechanical components.
3Reliability
If traditional cooling systems are added, then cooling function is provided, but installation space occupied is large
Solution Approach 1:
The invention merges the heat dissipation function with the existing high-temperature components by directly coupling heat exchange containers to these components. This integration allows the cooling function to be provided within the existing component footprint, eliminating the need for separate, space-consuming cooling systems.
Solution Approach 2:
The heat exchange containers are nested within or directly attached to the high-temperature components, utilizing the space around existing components for heat exchange purposes. This nested arrangement allows the cooling function to be embedded within the existing structure without requiring additional installation space.
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 achieves efficient heat dissipation with a simple structure that saves energy, reduces costs, and does not occupy much space, while maintaining effective cooling of high-temperature components.
Implementation Method 1
the heat exchange container receives liquid refrigerant from the reservoir through the flow pipe, the liquid refrigerant in the heat exchange container generates vapor after heat exchange with the heat absorbed from the high-temperature components
Implementation Method 2
the liquid refrigerant in the heat exchange container generates vapor after heat exchange with the heat absorbed from the high-temperature components
Implementation Method 3
the heat exchange container is used to absorb heat of the high-temperature components
Data Source
AI summary
A refrigeration system comprises a compressor, a condenser, a reservoir, a throttling device, an evaporator, and a cooling device for cooling high-temperature components connected in sequence through pipes. The cooling device has a heat exchange container and a flow pipe, where the heat exchange container maintains fluid communication with the reservoir through the flow pipe, and the heat exchange container is used to absorb heat of the high-temperature components. The heat exchange container receives liquid refrigerant from the reservoir through the flow pipe, the liquid refrigerant in the heat exchange container generates vapor after heat exchange with heat absorbed from the high-temperature components, and the vapor enters the reservoir through the flow pipe, thus forming a circulation loop. Also described is a refrigerator van configured with a refrigeration system.