Microchannel Radiant Diffusion Unit for Low-Inertia Air-Conditioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current air-conditioning diffusion terminals struggle to efficiently meet the lower energy demands and variable heating and cooling needs of modern, thermally insulated buildings, lacking in both energy efficiency and comfort, and often require additional plants for air-conditioning functions.
Innovation Solution
A wall-mounted diffusion unit utilizing microchannel heat exchange technology with a monocoque polystyrene structure and aluminum components, featuring a self-levelling template for easy installation, a microchannel exchanger for enhanced efficiency, and a motorized ventilator with filter system, providing efficient heating and cooling while minimizing energy consumption and environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional diffusion terminals (radiators, fan coils) are used, then heating or cooling function is provided, but energy efficiency is poor and additional plants are required for air-conditioning
Solution Approach 1:
The diffusion unit integrates both heating and cooling functions into a single device by incorporating a microchannel heat exchanger that can operate with water in different temperature states. The same unit provides radiant heating when water is hot and radiant cooling when water is cold, eliminating the need for separate plants and achieving dual-functionality with high energy efficiency.
2Ease of operation
If radiant floors are used, then good comfort level is generated, but thermal inertia is unacceptable for nearly zero energy buildings
Solution Approach 1:
The diffusion unit segments the thermal mass by using a thin-walled microchannel heat exchanger structure with aluminum fins instead of thick radiant floor slabs. This segmentation reduces thermal inertia while maintaining comfortable radiant heat distribution, allowing the system to respond quickly to changing thermal demands in nearly zero energy buildings.
3Ease of operation
If radiant walls are used, then good comfort level is generated, but homogeneity in heating distant areas is poor and space constraints exist
Solution Approach 1:
The diffusion unit extends thermal distribution into the third dimension by incorporating vertically oriented aluminum fins that project heat and cold in multiple directions. This dimensional extension allows the unit to effectively heat and cool distant areas while maintaining homogeneity, overcoming the area limitations of conventional radiant wall panels.
4Duration of action of moving object
If fan coils are used, then efficiency with low inertia is achieved, but comfort is compromised due to layering and cold air currents
Solution Approach 1:
The diffusion unit replaces the mechanical forced-convection system of fan coils with a radiant heat transfer system using microchannel exchangers and aluminum fins. This substitution eliminates the harmful air currents and thermal layering caused by fans while maintaining low thermal inertia and fast response time, thereby improving comfort without sacrificing efficiency.
5Use of energy by moving object
If microchannel heat exchanger with polystyrene structure is used, then energy efficiency and comfort are improved, but manufacturing complexity increases
Solution Approach 1:
The diffusion unit employs composite material construction by combining polystyrene insulation material with aluminum microchannel heat exchanger and fin structures. This composite approach achieves high energy efficiency through effective thermal insulation and heat transfer while the modular design simplifies manufacturing and assembly, balancing performance with ease of production.
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 achieves high-energy efficiency, reduced thermal inertia, increased comfort, and competitive costs, with improved aesthetic integration and reduced noise and water pumping energy, while maintaining robustness and recyclability.
Implementation Method 1
microchannel exchanger for enhanced efficiency
Implementation Method 2
heat exchange technology
Implementation Method 3
microchannel exchanger for enhanced efficiency
Implementation Method 4
monocoque polystyrene structure
Implementation Method 5
motorized ventilator with filter system
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
A diffusion unit (U) for summer and/or winter air-conditioning of indoor environments comprises a frame (2) suitable to be mounted on wall; a monocoque bodyshell structure (3) suitable to be attached to said frame (2), said monocoque bodyshell structure (3) being entirely made of polystyrene or equivalent material; heat exchanger means (4) suitable to be supported by said bodyshell structure (3) and enclosed by said monocoque structure (3) without outwards heat dispersion areas, said exchanger means (4) comprising at least one exchanger (4) with microchannel technology using water (monophase fluid); ventilating means (7) and filtering means (10); and an outer protecting and covering structure (S) provided at the front with a array (G) of holes (F) for air-conditioned diffusion.