Gas Water Heater Baffle Air Duct for Sheet Metal Cooling
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Solution Overview
Problem
Gas water heaters with flame combustion face challenges in maintaining the service life of sheet metal components due to high temperatures, leading to overheating and potential damage.
Innovation Solution
A gas device design incorporating a frame with a burner, fan, and baffle that forms an air duct with air outlets, creating an air film to block hot air flow and enhance cooling, thereby reducing temperature conduction and extending component lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If flame combustion is used to heat water, then heating efficiency is improved, but high temperature affects the service life of sheet metal components
Solution Approach 1:
The combustion chamber is segmented into a high-temperature combustion zone and a low-temperature frame zone by the baffle, allowing the frame to be protected from direct exposure to high temperatures while the combustion process continues efficiently
Solution Approach 2:
The baffle acts as an intermediary element between the high-temperature combustion chamber and the frame, blocking direct heat transfer and protecting the sheet metal components from thermal damage
2Power
If the working temperature of the combustion chamber is increased to improve burning intensity, then heating efficiency is improved, but the high temperature will affect the service life of the sheet metal components
Solution Approach 1:
The combustion chamber is segmented into a high-temperature combustion zone and a low-temperature frame zone by the baffle, allowing the frame to be protected from direct exposure to high temperatures while the combustion process continues efficiently
Solution Approach 2:
Different parts of the device are given different thermal characteristics - the combustion chamber is designed for high temperature operation while the frame is protected by the baffle, creating local thermal zones with different quality requirements
3Reliability
If air cooling is implemented to cool the frame, then service life of components is improved, but device complexity increases
Solution Approach 1:
The cooling function is merged with the existing baffle structure by spacing it from the frame to form an air duct, eliminating the need for separate cooling components and reducing overall device complexity
Solution Approach 2:
The baffle serves multiple functions: it blocks hot air from reaching the frame, forms an air duct for cooling, and can be integrated with the frame structure, demonstrating multi-functionality that reduces the need for additional components
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 air-cooling mechanism effectively prevents overheating of the gas device components, improving their service life and operational efficiency by forming an air film that blocks hot air flow and reduces thermal conduction.
Implementation Method 1
by constructing an air duct for air-cooling the frame on the frame and the baffle, the baffle is provided with air outlets on the flow direction of the air duct, forming an air film on the inner side of the baffle to block the flow of hot air toward the baffle, improving the air cooling effect of the air in the air duct on the frame
Implementation Method 2
effectively avoiding the conduction of high temperature to the outside of the frame
Data Source
AI summary
Some embodiments provide a gas device, the gas device includes a frame and a baffle; the baffle is arranged in the frame, the baffle includes an air guide portion and a heat insulation portion, the air guide portion and the frame are enclosed to form a first air guide channel, and the air guide portion is provided with a first air outlet, the first air outlet communicates with the first air guide channel, and faces the heat insulation portion. In the gas device provided by the present disclosure, a baffle is arranged on the inner side of the gas device, and the baffle can reduce the heat transferred from the inside of the gas device to the gas device, reducing the temperature of the gas device, and reduce the impact of the high temperature generated by the burner on the sheet metal components such as the gas device.