Front-Vented Cooking Appliance Cooling for Multiple Heat Sources
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Solution Overview
Problem
Existing cooking appliances with multiple heat sources face challenges in efficient cooling due to limited air circulation and cooling performance, leading to potential damage from overheating and power cutoffs, especially in permanently installed models.
Innovation Solution
A cooking appliance design featuring an air flow path with an air inlet and outlet at different heights on the front surface, utilizing cooling fan modules arranged at various angles and directions to circulate air through multiple electric chambers, effectively cooling each heat source and critical components like the power supply unit and main controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple heat sources are installed in a cooking appliance, then heating performance and cooking versatility are improved, but the risk of overheating and power cutoff increases due to insufficient cooling
Solution Approach 1:
The cooling system is segmented into multiple independent cooling fan modules, each responsible for cooling specific heat source modules. The air circulation path is also segmented into multiple electric chambers (first, second, third electric chambers) with dedicated cooling zones. This segmentation allows each heat source to be cooled independently, preventing overheating while maintaining high heating performance.
Solution Approach 2:
Air acts as an intermediary cooling medium that transfers heat from heat sources to the external environment. The cooling fan modules generate air flow that circulates through electric chambers containing heat sources, absorbing heat and carrying it away. This intermediary air circulation system enables effective heat dissipation without direct contact between cooling components and heat sources.
2Volume of moving object
If permanently installed, then space utilization is improved, but cooling performance deteriorates due to limited air inlet and outlet access
Solution Approach 1:
The front surface of the cooking appliance serves multiple functions: it acts as both the user interface surface and the primary air circulation surface. Both the air inlet part and air outlet part are located on the front surface, allowing the appliance to maintain effective cooling even when permanently installed with limited side and rear access. This multi-functional front surface design ensures cooling performance is not compromised by installation type.
3Temperature
If air inlet and outlet are located on the front surface at different heights, then cooling efficiency is improved, but the structural complexity increases
Solution Approach 1:
The air inlet part, air outlet part, and multiple cooling fan modules are merged into an integrated air circulation system. The cooling fan modules are positioned to utilize the height difference between the air inlet and outlet, creating a natural downward air flow path that cools multiple electric chambers simultaneously. This merging reduces the need for additional complex ducting or separate cooling systems for each chamber.
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 design ensures efficient cooling of multiple heat sources, preventing overheating and improving operational reliability by maintaining consistent airflow, even in permanently installed appliances.
Implementation Method 1
a cooling fan module may be arranged in a first electric chamber provided behind the air inlet part, and transfer suctioned air into a second electric chamber provided behind the air outlet part
Data Source
AI summary
A cooking appliance is proposed. A casing (100, 200) may have a cavity (S) therein, and of which a front surface may have an air inlet part (242) and an air outlet part (243) at different heights. A plurality of heat sources modules may be arranged at different surfaces of the casing (100,200). A this point, a cooling fan module (810, 850) may be arranged in a first electric chamber (ES1) provided behind the air inlet part (242), and transfer suctioned air into a second electric chamber (ES2) provided behind the air outlet part (243). Accordingly, the air suctioned by the cooling fan module (810, 850) may be discharged after circulating to through the first electric chamber (ES1) and the second electric chamber (ES2), and in this process, the plurality of heat sources may be cooled.