Tilting Microwave Hood Structure for Better Contaminant Capture
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Solution Overview
Problem
Microwave ovens with a hood function face challenges in efficiently preventing the diffusion of air containing contaminants due to the hood's installation at the bottom, which limits its ability to suction contaminated air effectively from above the cooking device.
Innovation Solution
The design incorporates a sliding first hood and a tilting second hood, with the second hood tilting at a predetermined angle to increase the suction area and reduce the distance between the hood and the cooking device, utilizing a tilting controller and stoppers to manage the hood's position and angle, enhancing air suction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the hood is installed at the bottom of the microwave oven, then the structure is simplified and easier to manufacture, but the ability to efficiently suction contaminated air from above the cooking device is reduced
Solution Approach 1:
The patent implements a tilting hood mechanism that allows the hood to dynamically adjust its angle relative to the microwave oven body. The hood can tilt forward to increase the suction area and reduce distance to the cooking device, thereby improving air suction efficiency while maintaining a simplified bottom-installation structure when not in use.
Solution Approach 2:
The invention introduces a rotational degree of freedom to the hood, transforming it from a fixed two-dimensional plane to a three-dimensionally adjustable structure. This allows the hood to change its spatial orientation and approach the cooking device from multiple angles, enhancing suction capability without compromising installation simplicity.
2Device complexity
If the hood is installed at the bottom of the microwave oven, then the device complexity is reduced, but the suction area and proximity to the cooking device are limited
Solution Approach 1:
The tilting mechanism enables the hood to dynamically expand its effective suction area by adjusting its angle. When the hood tilts forward, it covers a larger area above the cooking device and reduces the distance to the contaminant source, thereby increasing the suction area without adding significant structural complexity.
3Ease of manufacture
If the hood is installed at the bottom of the microwave oven, then the installation is simpler, but the distance between the hood and the cooking device is increased
Solution Approach 1:
The adjustable tilting mechanism allows the hood to dynamically reduce its distance to the cooking device by rotating forward. This maintains the simple bottom-installation structure while enabling the hood to approach closer to the cooking surface when needed, thereby reducing the effective distance without complicating the installation process.
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 allows for more efficient suction of air contaminants, adapting to varying cooking device heights and improving the prevention of contaminant diffusion, ensuring effective air management regardless of the device's height.
Implementation Method 1
a tilting second hood (230) which is tilted at a predetermined angle with respect to the microwave oven (100)
Data Source
AI summary
A microwave oven having a hood is provided. The microwave oven may more efficiently suction air containing contaminants, thereby more efficiently preventing diffusion of air containing contaminants. In addition, the microwave oven may tilt a tilting hood using a simplified construction.