A cooking device comprising an illumination element
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Solution Overview
Problem
Cooking devices with optical waveguides made of fragile materials like glass for illumination are prone to damage during transport and use due to external forces, leading to functionality loss.
Innovation Solution
A cooking device design featuring mounting gaps and connection elements with through holes to absorb impacts, combined with elastic elements like helical springs to absorb forces, preventing damage to the optical waveguide. The connection elements are easily fixed to the casing using rivets and housing slots, ensuring secure and cost-effective mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If an optical waveguide made of fragile glass is used to illuminate the cooking cavity, then the illumination efficiency is improved, but the reliability of the illumination element deteriorates due to damage from forces during transport and use
Solution Approach 1:
The patent applies beforehand cushioning by introducing a resilient element (such as a rubber or silicone grommet) that cushions the fragile optical waveguide before external forces can damage it. This resilient element is pre-installed in the mounting structure to absorb and distribute impact forces, preventing direct transmission of shocks to the glass waveguide during transport and use, thereby maintaining both illumination efficiency and reliability
2Reliability
If the optical waveguide is securely fixed to the casing to prevent movement, then the reliability is improved, but the fragility of the glass material causes it to break under mounting forces
Solution Approach 1:
The patent applies parameter changes by transitioning from rigid mounting parameters to flexible mounting parameters. Instead of using rigid fixed mounting that transmits full impact forces to the glass waveguide, the resilient element changes the mounting parameters to allow for flexible connection with dampening characteristics. This enables secure fixing while reducing peak impact forces transmitted to the optical waveguide, preventing breakage under mounting and operational forces
3Reliability
If a complex mounting structure with multiple components is used to protect the optical waveguide, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The patent applies merging by combining the mounting structure and protective function into a single integrated resilient element. Instead of using separate mounting brackets, fasteners, and protective casings, the solution merges these functions into one component that simultaneously provides mechanical attachment and impact protection. This single resilient element integrates both mounting and protection roles, reducing the number of parts and assembly steps while maintaining reliability
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
The solution effectively prevents damage to the optical waveguide during use and transport, maintaining the illumination functionality while keeping costs low by using a low-cost elastic element like a helical spring.
Implementation Method 1
The cooking device comprises at least one elastic element which is mounted into the connection element and which flexibly bears the end of the optical waveguide which illuminates the inner volume of the cooking cavity in the through hole. The forces acting on the casing, in particular on the connection element during the use or transport of the cooking device are absorbed by means of the elastic element
Implementation Method 2
the elastic element is a helical spring which is compressed as a result of the force acting thereon so as to absorb said force
Data Source
Figure 1~2
Figure 3
AI summary
The present invention relates to a cooking device (1) comprising a cooking cavity (2) wherein the materials to be cooked are placed; a casing (3) in the form of a box with the front side open which surrounds the cooking cavity (2); and an illumination element which has a light source (4) disposed on the casing (3) so as to be outside the cooking cavity (2) and at least one optical waveguide (5) connected to the light source (4) from one end and connected onto the casing (3) from the other end so as to illuminate the inner volume of the cooking cavity (2), thus enabling the cooking cavity (2) to be illuminated by transmitting the light from the light source (4) to the end connected onto the casing (3).