Facade Element Thermal Insulation Condensation Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing facade elements with pressure equalization openings in commercial construction suffer from condensation issues, leading to complex constructions, high maintenance, and energy consumption, as well as deformations and damage due to pressure fluctuations.
Innovation Solution
A facade element design featuring a thermally insulated outer pane arrangement with direct tube-like connections to the outside atmosphere, ensuring the inner surface temperature remains above the dew point, preventing condensation through structural properties without additional air conditioning or cleaning mechanisms, and incorporating a filter element to prevent contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a pressure equalization opening is provided in the holding frame, then pressure fluctuations are compensated and deformations are avoided, but atmospheric moisture condenses on the panes forming drops and streaks
Solution Approach 1:
The patent changes the thermal parameter of the outer pane arrangement by providing thermal insulation with a thermal resistance of at least 0.3 m²K/W. This parameter change raises the inner surface temperature of the outer pane arrangement above the dew point temperature of the air in the intermediate space, thereby preventing condensation while maintaining pressure equalization through the opening.
2Object-affected harmful factors
If the inner pane arrangement is equipped with an opening mechanism for cleaning, then condensate can be removed, but the construction becomes more complex and requires high maintenance
Solution Approach 1:
The patent applies preliminary action by providing thermal insulation to the outer pane arrangement before condensation can form. This preventive measure raises the surface temperature above the dew point, stopping condensation formation at its source and eliminating the need for opening mechanisms or cleaning systems.
Solution Approach 2:
The patent extracts the need for complex opening mechanisms and cleaning systems by addressing the root cause of condensation through thermal insulation. By preventing condensation formation, the harmful factor is eliminated without adding complex removal mechanisms.
3Object-affected harmful factors
If active air conditioning devices and measuring devices are connected to the pressure equalization opening, then condensation is prevented, but the construction becomes very complex and energy consumption increases
Solution Approach 1:
The patent applies self-service by using the thermal insulation property of the outer pane arrangement to automatically prevent condensation. The structure itself provides the condensation prevention function through its thermal resistance, eliminating the need for active air conditioning devices, sensors, and control systems.
Solution Approach 2:
The patent extracts and eliminates the need for active air conditioning devices, measuring devices, and control systems by using passive thermal insulation. The condensation prevention is achieved through the inherent thermal properties of the insulated outer pane arrangement rather than active mechanical systems.
4Object-affected harmful factors
If the outer pane arrangement is thermally insulated with a thermal resistance of at least 0.3 m 2 K/W, then the inner surface temperature remains above dew point preventing condensation, but the manufacturing complexity increases
Solution Approach 1:
The patent specifies a minimum thermal resistance parameter of 0.3 m²K/W for the outer pane arrangement. This parameter specification ensures the inner surface temperature remains above the dew point, preventing condensation. The principle is applied by setting a clear quantitative threshold that guides manufacturing while achieving the condensation prevention goal.
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 design eliminates condensation, simplifies construction, reduces maintenance, and achieves significant energy savings while maintaining excellent thermal and physical properties by controlling pressure and humidity through the structural opening, making the facade element permanently maintenance-free.
Implementation Method 1
the outer pane arrangement is thermally insulated in such a way that it has a thermal resistance of at least 0.3 m 2 K/W, by which the inner surface of the outer pane arrangement assumes a higher temperature than the dew point temperature of the air present in the space between the panes
Implementation Method 2
the special configuration of the outer pane arrangement ensures that the inner surface of the outer pane arrangement assumes a higher temperature than the dew point temperature of the air present in the space between the panes. This effectively prevents the formation of condensate
Implementation Method 3
the at least one opening is designed in such a way that the water vapor partial pressure of the space between the panes can adapt to the water vapor partial pressure of the outside atmosphere in a short time
Data Source
Figure 1
AI summary
The facade element (1) has an internal panel arrangement (10) with a glass panel (24), an external panel arrangement (20) with a glass panel (22) and a frame arrangement (30), which connects the internal panel arrangement and the external panel arrangement with each other by forming an intermediate space (40). The external panel arrangement is thermo technically insulated, and an opening is arranged on the lower side of the facade element. An independent claim is also included for a facade with a building inner side.