C-Shaped Insulating Cap for Double Glazing Condensation
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Solution Overview
Problem
Double-glazed windows experience condensation issues due to significant temperature differences between the interior and exterior, particularly when outside temperatures are low and indoor humidity is high, leading to condensation on the outer face of the inner pane.
Innovation Solution
A window design featuring a C-shaped thermally insulating cap surrounding the glazing periphery, with a semi-rigid profile and L-shaped walls that cover the edges of the panes, reducing heat exchange between the panes and the frame, and a separator with a C-shaped geometry that creates compartments to limit air exchange and prevent condensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If double glazing is used to improve thermal insulation, then heat retention is improved, but condensation occurs on the inner pane when temperature difference exceeds threshold
Solution Approach 1:
The window assembly is divided into multiple functional layers: outer pane, intermediate cavity with separator, inner pane, and frame. The separator creates distinct compartments that isolate different thermal zones, allowing each layer to perform its specific function without causing condensation on the inner pane surface.
Solution Approach 2:
A separator element is introduced as an intermediary component between the outer pane and inner pane. This separator acts as a thermal mediator that breaks the direct thermal pathway, preventing excessive heat transfer to the inner pane while maintaining the double-glazing insulation effect.
2Loss of energy
If thermally insulating cap with C-shaped geometry is added around glazing periphery, then heat exchange between panes is reduced, but device complexity increases
Solution Approach 1:
The C-shaped thermally insulating cap serves multiple functions simultaneously: it provides thermal insulation around the glazing periphery, structurally supports the separator, and integrates with the frame assembly. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The C-shaped cap is nested within the existing frame structure, with the separator positioned inside the cap's C-shaped cavity. This nested arrangement allows the insulating cap to utilize the existing spatial envelope of the frame, adding insulation functionality without requiring external expansion that would increase complexity.
3Object-affected harmful factors
If separator with C-shaped geometry is used to create compartments, then air exchange is limited and condensation is prevented, but manufacturing complexity increases
Solution Approach 1:
The separator is designed with specific geometric parameters (C-shaped cross-section, dimensions matched to the glazing aperture) that optimize its condensation-preventing function while maintaining manufacturability. The geometry parameters are carefully selected to balance performance requirements with standard manufacturing capabilities.
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
Effectively reduces heat transfer and condensation on both the inner and outer faces of the panes, maintaining a stable temperature and minimizing condensation formation in cold weather.
Implementation Method 1
a cap made of a thermally insulating material surrounds the periphery of the glazing, being disposed in the frame
Implementation Method 2
The relatively small volume of air contained in the second compartment limits the exchange of calories between the two panes
Data Source
Figure 1~2
AI summary
The window (100) has a frame (200) and a double glazing (300) whose periphery is placed in the frame. The glazing includes an external pane (302) that is intended to be turned towards outside of a dwelling. The glazing includes an interior pane (304) and a cap (500) manufactured in an insulating material. A separator (600) presents a section having a C-geometry. The separator covers the cap to delimit an external compartment (T1) and an interior compartment (T2) in the frame, and the cap takes seat in the frame.