Dual Magnetron Cooling Layout for Uniform Microwave Heating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Cooking devices with laterally spaced magnetrons face cooling inefficiencies due to the short distance between them, leading to uneven cooling and potential premature failure of one magnetron, which can result in insufficient calorific power and reduced cooking performance during maintenance or repair.
Innovation Solution
The cooking device positions two electromagnetic generating units vertically, with fans and dedicated air paths to ensure equal cooling effects by increasing the distance between them and using a ventilation duct with partition walls and insulating plates to enhance air flow and prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If two magnetrons are arranged laterally spaced apart in parallel on one side of the heating chamber, then the device can provide sufficient calorific power for business use, but the distance between them becomes relatively short causing uneven cooling effects and potential premature failure
Solution Approach 1:
The patent transitions from lateral (horizontal) arrangement of magnetrons to vertical arrangement, changing the spatial dimension. This vertical configuration increases the distance between magnetrons from a few centimeters laterally to approximately 40cm vertically, effectively reducing thermal interference while maintaining the dual-magnetron power output capability needed for business use
2Power
If two magnetrons are arranged laterally spaced apart, then the device can operate at high power, but the cooling effect for one magnetron becomes significantly different from the other leading to uneven cooling
Solution Approach 1:
By arranging magnetrons vertically rather than laterally, the patent creates independent thermal zones for each magnetron. The vertical separation of approximately 40cm allows each magnetron to have its own dedicated cooling air path, eliminating the thermal coupling that occurs in lateral arrangements where magnetrons are only a few centimeters apart
Solution Approach 2:
The patent implements separate cooling air paths for each magnetron, dividing the cooling system into independent segments. Each magnetron has its own fan and dedicated air flow channel, ensuring that cooling performance for one magnetron does not affect the other, thus achieving uniform cooling effects across both high-power magnetrons
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 enhances the durability of the electromagnetic generating units by equalizing cooling effects, reducing the impact of heat from one unit on the other, and improving maintenance efficiency while maintaining reliable performance even during extended business use.
Implementation Method 1
a fan (6) for cooling the electromagnetic generating unit (2), and a blowing path (8) for guiding air, which is flown by the fan (6), around the electromagnetic generating unit (2)
Implementation Method 2
a first electromagnetic generating unit (2) and a second electromagnetic generating unit (3) for generating electromagnetic waves to cook
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A cooking device comprises: a first electromagnetic generating unit and a second electromagnetic generating unit for generating electromagnetic waves to cook; a heating chamber that introduces electromagnetic waves generated by each of the electromagnetic generating units to heat an object; and fans for cooling each of the electromagnetic generating units, wherein the first electromagnetic generating unit is arranged in an upper position and the second electromagnetic generating unit is arranged in a lower position, a first blowing path and a second blowing path are arranged to guide air blown out by the fans to the peripheries of the respective electromagnetic generating units, and two of the electromagnetic generating units are cooled in the same condition.