Oven Door Glass Shielding for Heat Dissipation and Airflow Control
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Solution Overview
Problem
Built-in double ovens face challenges in air flow management, as existing designs struggle to efficiently guide exhaust air away from the ovens while ensuring effective cooling of the oven door surfaces and components, which can lead to excessive temperatures and potential damage from heat and moisture exposure.
Innovation Solution
The oven door assembly incorporates a middle non-opaque pane with a shield that draws heat away from the glass panes, combined with an air deflection assembly and a glass pack shield to dissipate heat and facilitate air flow, ensuring efficient heat transfer and cooling of the oven door components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a built-in double oven is installed with traditional door assembly design, then the oven can maintain cooking temperatures, but the oven door surfaces and components are exposed to excessive heat and moisture that can cause damage
Solution Approach 1:
The door assembly is segmented into multiple functional layers including outer door panel, middle non-opaque pane, inner door panel, and shield. This segmentation creates thermal barriers that protect components from excessive heat while maintaining structural integrity and cooking temperature retention.
Solution Approach 2:
The shield acts as an intermediary element positioned between the oven cavity and the door components. It draws heat away from the middle non-opaque pane and redirects thermal energy, preventing direct heat exposure to vulnerable door components while allowing the oven to maintain cooking temperatures.
2Reliability
If exhaust air is not efficiently guided away from the ovens, then the oven structure is simpler, but the oven door surfaces overheat and components are damaged
Solution Approach 1:
The air deflection assembly is pre-configured with deflectors and channels that proactively guide exhaust air away from the oven door surfaces before heat can accumulate. This preliminary action prevents overheating without requiring complex active cooling systems.
Solution Approach 2:
The air deflection assembly provides localized heat management by directing exhaust air flow specifically away from the door area while maintaining overall oven pressure and temperature. The deflectors are strategically positioned to create localized cooling zones where needed.
3Temperature
If a shield is added to draw heat away from the middle non-opaque pane, then the door components are protected from overheating, but the device complexity increases
Solution Approach 1:
The shield is integrated with the existing door assembly structure rather than being a separate add-on component. It is positioned to work in conjunction with the middle non-opaque pane, air deflection assembly, and other door components, creating a unified thermal management system that protects the pane without requiring a completely redesigned door structure.
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 effectively reduces the surface temperature of the oven door, prevents overheating, and promotes efficient air flow, ensuring the safety and longevity of the oven components while maintaining desired cooking temperatures.
Implementation Method 1
a shield fitted relative to the middle non-opaque pane for drawing heat away from the middle non-opaque pane
Implementation Method 2
an air deflection assembly and a glass pack shield to dissipate heat and facilitate air flow
Data Source
AI summary
An oven door assembly is provided that selectively closes and permits access to an access opening of an oven cavity of the oven. The oven door assembly includes an outside door panel having a non-opaque pane, an inside door panel having a non-opaque pane, the inside door panel being located closer to the oven cavity of the oven than the outside door panel, and a middle non-opaque pane, and a shield fitted relative to the middle non-opaque pane for drawing heat away from the middle non-opaque pane.