Cooking Appliance Scroll Cooling with Divided Flow Paths
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cooking appliances struggle to simultaneously dissipate heat from both sheet coils and heat sinks efficiently, often requiring separate cooling mechanisms and resulting in reduced performance.
Innovation Solution
A cooking appliance design that incorporates a single fan to dissipate heat from both sheet coils and heat sinks through a scroll with divided flow paths, where the fan has different expansion angles and lengths in the radial direction for each flow path to manage airflow effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If separate cooling mechanisms are used for sheet coil and heat sink, then heat dissipation effectiveness is improved, but device complexity increases
Solution Approach 1:
The patent combines two separate cooling mechanisms into a single integrated cooling system. The scroll forms a unified flow path that guides air to cool both the sheet coil and heat sink simultaneously, eliminating the need for separate fans or cooling channels while maintaining effective heat dissipation for both components.
Solution Approach 2:
The single cooling system performs multiple functions by serving both the sheet coil and heat sink. The scroll-designed flow path distributes air to different regions, enabling one cooling mechanism to handle thermal management for multiple heat-generating components with different cooling requirements.
2Device complexity
If a single fan is used for both heat dissipation paths, then device complexity is reduced, but airflow control precision deteriorates
Solution Approach 1:
The scroll is segmented into different flow path regions that guide air differently. The flow path includes a first region directing air to the sheet coil and a second region directing air to the heat sink, allowing a single fan to provide differentiated airflow control to each component through spatial segmentation of the scroll structure.
Solution Approach 2:
The scroll provides different local flow characteristics to different regions. By designing the scroll with varying cross-sectional areas and flow directions in different regions, the system achieves localized airflow optimization - providing sufficient air volume to the sheet coil while directing appropriate airflow to the heat sink, all through a single fan.
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 design allows for efficient simultaneous heat dissipation from both sheet coils and heat sinks using a single fan, improving the appliance's performance and reducing energy consumption.
Implementation Method 1
a fan disposed within the scroll to generate an intake force
Implementation Method 2
a heat sink for dissipating heat generated in the plurality of electrical components
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Disclosed herein a cooking appliance including an upper plate on which a cooking vessel is placed, a lower plate disposed on a lower portion of the upper plate to include a discharge hole and including a plurality of electrical components and a heat sink for dissipating heat generated in the plurality of electrical components, a sheet coil disposed on the lower plate to form a gap with the sheet coil, a scroll having an inlet and an outlet and forming a flow path for dissipating heat from the sheet coil and the heat sink by discharging air drawn in through the inlet to the discharge hole and the outlet, and a fan disposed within the scroll to generate an intake force. The scroll includes a lower scroll disposed on a lower portion of the scroll to allow the fan to have a first expansion angle, and forming a lower flow path to guide air drawn in through the inlet to the heat sink, an upper scroll disposed on an upper portion of the lower scroll to allow the fan to have a second expansion angle greater than the first expansion angle, and forming an upper flow path to guide air drawn in through the inlet to the gap, and a divider dividing an interior of the scroll into the lower flow path and the upper flow path.