Oven
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Solution Overview
Problem
Oven front elements made of sheet metal with protruding elements are unstable during packaging, transport, and assembly, and lack dimensional stability for functional components like electrical switches, while existing solutions complicate production with deep folds and design constraints.
Innovation Solution
A crossbeam is mechanically connected to the oven front element in a sandwich-like manner, providing dimensional stability and serving as a support for functional components, with the option to add bends and window openings independently of the oven front, using a plastic plate with adhesive layers for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the oven front element is made as a largely planar sheet metal part with protruding elements, then the operating surface is enlarged and production is simplified, but the part becomes unstable during packaging, transport, and assembly
Solution Approach 1:
The patent applies composite construction by combining the sheet metal oven front element with a rigid support structure (crossbeam framework) to create a composite assembly. This allows the planar front element to maintain its manufacturing simplicity while the rigid support structure provides the necessary dimensional stability during packaging, transport, and assembly operations.
Solution Approach 2:
The patent transitions from a two-dimensional planar sheet metal part to a three-dimensional structured assembly by adding a rigid support framework behind the front element. This dimensional enhancement provides structural stability without compromising the simplicity of the front element's manufacturing process.
2Adaptability or versatility
If deep folds are created in the sheet metal part to form carriers for functional elements, then functional components can be mounted, but the production process becomes more complex and problematic
Solution Approach 1:
The patent segments the oven front assembly into distinct functional components: the planar front element and the separate rigid support structure. This segmentation allows functional elements to be mounted on the support structure rather than requiring complex deep folds in the sheet metal, thereby reducing production complexity while maintaining adaptability.
Solution Approach 2:
The rigid support structure serves as an intermediary between the planar front element and the functional components (switches, displays, etc.). This mediator provides a stable mounting platform for functional elements without requiring the front element itself to be deformed into complex shapes, thus avoiding production difficulties.
3Stability of the object's composition
If the cross member is integrated into the oven front element, then structural stability is improved, but the design flexibility for control surface configuration is reduced
Solution Approach 1:
The patent separates the cross member (control surface support) from the oven front element, creating independent modular components. This segmentation maintains structural stability through the rigid support framework while allowing the control surface configuration to be independently designed and modified without affecting the front element's structural integrity.
Solution Approach 2:
The rigid support structure serves multiple functions: it provides structural stability to the assembly, acts as a mounting platform for functional elements, and serves as the control surface configuration platform. This multi-functionality achieves structural stability while maintaining design flexibility for different control surface layouts.
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 enhances the stability and handling of the oven front during transport and assembly, allows for flexible design modifications without compromising stability, and simplifies the integration of functional elements like switches and displays.
Implementation Method 1
a plate provided with an adhesive layer on both sides is provided as a spacer between the operating surface of the furnace front element and the front surface of the cross member
Data Source
Figure 1~3
AI summary
The oven front of the oven is provided with a one-piece oven front element (8) made of sheet metal and having a control surface (4) and front strips (10) enclosing an oven door at least on both sides. According to the invention, at least the operating surface (4) is firmly connected to a crossbeam (20), also made of sheet metal and forming part of the operating and display surface, which is designed as a support for operating and displaying functional elements of the oven.