Multi-Rack Laundry Dryer with Guided Air Supply for Uniform Drying
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Solution Overview
Problem
Conventional laundry treatment apparatuses face challenges in drying a large amount of clothes simultaneously while ensuring uniform air supply, leading to potential overdrying or underdrying of clothes.
Innovation Solution
The apparatus features a drying chamber with multiple racks, where air is supplied evenly through a guided system that includes inclined ducts and guides within the supply port to ensure uniform air distribution between and below the racks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple racks are positioned in the drying chamber to dry a large amount of clothes at one time, then the productivity is improved, but the air supply uniformity deteriorates
Solution Approach 1:
The air supply system is segmented into multiple zones corresponding to different rack positions. Supply ports are strategically positioned at the rear, front, top, and bottom of the drying chamber to divide the air supply into distinct segments that can be independently controlled to ensure uniform distribution across multiple racks
Solution Approach 2:
Different regions of the drying chamber are provided with different air supply characteristics. The rear supply ports provide air to the rear of racks, front supply ports to the front, top supply ports to the upper portions, and bottom supply ports to the lower portions, creating localized air supply quality that matches the specific drying needs of each rack position
2Quantity of substance
If multiple racks are positioned in the drying chamber to dry a large amount of clothes at one time, then the quantity of substance processed is improved, but the reliability of uniform drying deteriorates
Solution Approach 1:
The air supply system transitions from a single-plane supply to a multi-dimensional supply approach. Air is supplied from four different spatial dimensions (rear, front, top, bottom) to ensure that clothes on multiple racks at different positions receive uniform drying treatment, eliminating the reliability issue of non-uniform drying when processing large quantities
3Ease of manufacture
If the rack mesh is exposed to the outside, then the ease of manufacture is improved, but the harmful factors increase due to thermoplastic resin film exposure
Solution Approach 1:
A protective cover is introduced that acts as a flexible barrier between the rack mesh and the external environment. The cover encloses the thermoplastic resin film on the mesh, preventing its exposure to the outside while maintaining the structural integrity and manufacturability of the rack assembly
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
This configuration allows for efficient drying of a large quantity of clothes with reduced risk of overdrying or underdrying, while also preventing exposure of a thermoplastic resin film formed on the rack mesh to the outside.
Implementation Method 1
a guide in the supply port to guide air supplied from the air supply unit to at least one of a space between the first rack and the second rack and a space between the second rack and the bottom surface
Data Source
AI summary
The present disclosure relates to a laundry treatment apparatus including a cabinet having an entrance, a drawer comprising a drying chamber, a bottom surface, a front surface extending upward from the bottom surface, a rear surface to face the front surface, and first and second side surfaces to connect the front and rear surfaces. The laundry apparatus includes a first rack disposed in the drying chamber, the first rack comprising a first vent portion allowing a space above and below the first rack to communicate with each other, a second rack disposed in the drying chamber and positioned between the first rack and the bottom surface, the second rack comprising a second vent portion, a supply port formed through the rear surface, an air supply unit located outside the drying chamber, and a guide in the supply port to guide air to at least one of the spaces.