Radiant Drying Cabinet Vent Layout for Low-Energy Garment Drying
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Solution Overview
Problem
Existing drying solutions for work and sports clothes in outdoor settings, such as construction sites and sports facilities, are inefficient and costly, as they require complex structures and hot air circulation systems that consume excessive energy and are not suitable for temporary constructions.
Innovation Solution
A drying cabinet with radiant heating panels that use infrared radiation to heat garments and a gentle air stream to extract moisture, optimizing energy use and efficiency by arranging ventilation openings to generate an air stream along a different wall from the radiant panel, allowing for effective water vapor removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional hot air circulation drying systems are used, then drying efficiency is improved, but device complexity and energy consumption increase
Solution Approach 1:
The patent replaces the mechanical hot air circulation system with a radiant heating system that uses infrared radiation panels to directly heat the garments. This substitution eliminates the need for complex blowers, ducts, and air circulation mechanisms while maintaining effective drying performance through direct radiant energy transfer to the wet clothing.
2Productivity
If external condenser systems are used for moisture extraction, then drying capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts only the essential moisture removal function from the complex condenser system by using simple ventilation openings that allow moist air to escape naturally. This extraction approach eliminates the need for integrated condensers, water collection tanks, and associated drainage systems, achieving effective drying with minimal structural complexity.
3Productivity
If radiant heating panels are added to lockers, then drying efficiency is improved, but device complexity increases
Solution Approach 1:
The patent merges the radiant heating panels directly into the locker structure by integrating them into the back panel or side panels of existing lockers. This combination approach allows the drying function to be added to standard lockers without requiring separate drying cabinets or complex installations, achieving space and resource efficiency.
4Productivity
If ventilation openings are positioned to maximize air flow, then moisture extraction is improved, but heating efficiency decreases
Solution Approach 1:
The patent applies local quality by positioning ventilation openings at specific locations (typically near the top of the locker) while placing radiant heating panels at the bottom or on vertical surfaces. This spatial differentiation creates localized zones where heating occurs close to the garment and ventilation occurs at the exit point, allowing both heating efficiency and moisture extraction to function optimally without interfering with each other.
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 efficient drying of approximately 650 grams of water in eight hours with 130 watts of energy, outperforming traditional hot air circulation methods and providing a cost-effective and robust drying solution for various garments, including delicate items.
Implementation Method 1
at least one side wall is provided on its inner face with a radiant or radiant heating coating... the garment to be dried is exposed to infrared radiation from the radiant or radiant panel which therefore raises the temperature of the garment
Implementation Method 2
the stream of air circulating along another wall of the cabinet entrains the air surrounding the garment, which has become loaded with humidity due to the rise in temperature of the garment and this, in a very regular way and which is renewed gently in the vicinity of the garment by extracting the water vapor from it
Implementation Method 3
the stream of air circulating along another wall of the cabinet entrains the air surrounding the garment... extracting the water vapor from it
Data Source
Figure 1~3
Figure 4
AI summary
The cabinet has panels defining sidewalls (2, 3, 4), where one panel is radiative. Vent openings (7, 14) i.e. slots, are provided across a door panel (6). The radiative panel is formed by the sidewalls (2, 3). Radiant heating films (11, 12) are provided at an inner surface of the sidewalls (2, 3). The openings are arranged to form an air stripe along the door panel, different from that of the films. A shield (8) is provided at an inner surface of the door panel for protecting the opening (7).