Microwave Heater Shielding Structure for Faster Cooking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Cooking devices with multiple heating sources, such as magnetrons and heaters, face challenges in maximizing radiant heat emission and efficiency, leading to longer cooking times and reduced energy utilization.
Innovation Solution
A cooking device configuration that includes a magnetron for microwave emission and a heater with a blocking member to prevent microwave interference, allowing for enhanced radiant heat emission and efficient energy use, featuring a carbon heater with a filament, outer pipe, and a blocking member to maximize heat transfer while blocking microwaves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a magnetron and heater are installed together in a cooking device, then a variety of foods can be cooked using different heating methods, but microwaves from the magnetron interfere with the heater's radiant heat emission, reducing cooking efficiency
Solution Approach 1:
The heater structure is segmented into distinct functional components: a filament for heat generation, an outer pipe for structural support and microwave blocking, and a blocking member specifically positioned to intercept microwaves. This segmentation allows each component to perform its specific function optimally while working together to resolve the interference problem.
Solution Approach 2:
A blocking member is introduced as an intermediary element between the magnetron and the heater's filament. This blocking member specifically intercepts microwaves before they can reach the filament, preventing microwave interference with the radiant heat emission process while allowing the heater to function effectively.
2Ease of manufacture
If the heater structure is simplified without a blocking member, then manufacturing costs are reduced, but microwaves interfere with the heater causing longer cooking times
Solution Approach 1:
The blocking member is designed as a simple, cost-effective component that can be easily manufactured and integrated into the heater structure. Rather than using complex or expensive microwave shielding materials, a straightforward blocking structure is employed that provides sufficient protection against microwave interference while maintaining low manufacturing costs.
3Productivity
If the blocking member is positioned close to the filament, then microwave blocking is maximized, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The blocking member is integrated with the outer pipe structure of the heater, merging two functional elements into a unified component. This integration reduces the number of separate parts that need to be manufactured and assembled, thereby simplifying the overall structure and reducing manufacturing complexity while still achieving effective microwave blocking when combined with the outer pipe.
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 reduces cooking time, enhances energy efficiency, and lowers manufacturing costs, improving productivity and price competitiveness by maximizing radiant heat emission and preventing microwave interference.
Implementation Method 1
a magnetron configured to emit microwaves to the cooking chamber
Implementation Method 2
a heater configured to emit radiant heat to the cooking chamber
Implementation Method 3
a blocking member which is located at an outside of the filament to block the microwaves emitted from the magnetron
Data Source
AI summary
A cooking device according to one embodiment of the present invention includes a cooking chamber configured to provide a space in which food is cooked; a magnetron configured to emit microwaves to the cooking chamber; and a heater configured to emit radiant heat to the cooking chamber, wherein the heater includes a filament, an outer pipe which protects the filament, and a blocking member which is located at an outside of the filament to block the microwaves emitted from the magnetron.