Cooling device
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Solution Overview
Problem
Conventional cooling devices are energy-inefficient, heavy, and emit environmentally harmful substances, often causing discomfort due to cold airflows and temperature differences, and are unsuitable for both stationary and moving spaces.
Innovation Solution
A combination of evaporation cooling and radiation absorption using a thin, moisture-retaining layer close to the user, which evaporates water to absorb radiant heat without significant airflow, maintaining a comfortable temperature difference and avoiding condensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional air displacement cooling is used, then cooling effect is achieved, but discomfort from cold airflow and high energy consumption occur
Solution Approach 1:
The patent replaces the mechanical air displacement system with a radiation-based cooling system. The cooling element absorbs thermal radiation directly from the user's body without requiring mechanical airflow, thereby eliminating the need for energy-consuming fans and air circulation systems while still achieving effective cooling.
Solution Approach 2:
The cooling element utilizes phase transition materials that absorb heat from the user's body through radiation. These materials change phase (e.g., from solid to liquid) by absorbing thermal energy, providing a cooling effect without requiring air movement or high energy input.
2Temperature
If conventional air conditioning systems are used, then temperature control is achieved, but harmful substances are emitted and environmental damage occurs
Solution Approach 1:
The patent extracts the harmful refrigerants and complex mechanical systems from the cooling device. By using a passive radiation-absorbing cooling element, the system eliminates the need for environmentally harmful substances while maintaining effective temperature control.
3Productivity
If large temperature difference between indoor and outdoor air is maintained, then cooling performance is improved, but health disorders such as colds and headaches occur
Solution Approach 1:
The patent applies local quality by directing the cooling effect specifically to the user's body through radiation absorption, rather than cooling the entire ambient air. This localized approach provides effective cooling performance while maintaining a comfortable and healthy ambient temperature, avoiding health disorders associated with large temperature differences.
4Temperature
If conventional cooling devices are used, then cooling function is provided, but device weight is excessive and installation is complex
Solution Approach 1:
The patent employs a simple, lightweight cooling element that can be easily replaced or renewed. This disposable or easily replaceable component provides effective cooling without the weight and complexity of conventional cooling devices, making installation and maintenance straightforward.
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 solution provides efficient, silent, and aesthetically pleasing cooling with high energy efficiency, minimizing environmental impact and maintaining comfort by absorbing radiant heat without the drawbacks of traditional cooling methods.
Implementation Method 1
which evaporates water to absorb radiant heat
Implementation Method 2
evaporates water to absorb radiant heat
Implementation Method 3
combination of evaporation cooling and radiation absorption
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A device for realizing a cooling effect in a space comprises: a housing with a heat-conducting wall, which housing bounds a chamber through which air can flow; an air inlet which connects to the chamber and to said space,- an air outlet connecting to the chamber; air transport means for transporting air from the air inlet via the chamber to the air outlet; and moistening means for moistening the inner surface of the wall; this such that air supplied by the air transport means is introduced into the chamber via the air inlet, passes along the moistened inner surface of the wall in the chamber and is discharged from the chamber via the air outlet, whereby the water present on the inner surface of the heat-conducting wall evaporates and is entrained by the air flowing by, and the wall is cooled.