Barbecue Grill Handle Heat Shield for Cooler Compact Mounting
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Solution Overview
Problem
Existing barbecue grill handle designs either extend the distance between the handle and the cooking chamber or use high-temperature materials like wood, which compromise aesthetics and durability while trying to meet safety standards, and both solutions have drawbacks such as less proportional appearance and material degradation.
Innovation Solution
The implementation of a heat barrier or shield between the handle and the cooking chamber, either as an externally mounted reflective surface or a partially closed volume with insulating material, to reduce radiative and convective heat transfer without extending the handle distance or using high-temperature materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the distance between the handle and the cooking chamber is increased, then the handle temperature is reduced, but the appearance becomes less proportional and packaging becomes difficult
Solution Approach 1:
A heat shield is introduced as an intermediary component positioned between the handle and the cooking chamber. This shield blocks radiant heat transfer to the handle while allowing the handle to remain at a normal distance from the cooking chamber, thus maintaining both low handle temperature and proper aesthetic proportions.
2Temperature
If wood material is used for the handle, then the handle can withstand high temperatures, but the finish degrades quickly when exposed to heat and sun
Solution Approach 1:
The heat shield acts as a mediator that protects the handle from direct exposure to high temperatures and sunlight. This allows the use of materials with lower temperature thresholds that would otherwise degrade quickly, while the shield absorbs or reflects the harmful thermal and UV exposure.
Solution Approach 2:
The heat shield changes the thermal environment parameters around the handle, creating a cooler microclimate that protects the handle material from extreme temperature conditions. This allows standard materials to perform reliably in the high-temperature grill environment.
3Temperature
If the distance between the handle and the cooking chamber is increased, then the handle temperature is reduced, but packaging space is increased
Solution Approach 1:
The heat shield provides an alternative method for reducing handle temperature that does not require increasing the distance between the handle and cooking chamber. By blocking radiant heat, the shield allows compact packaging while still meeting safety temperature requirements.
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 solution allows for flexible design and material selection for barbecue grill handles, maintaining safety compliance while enhancing aesthetics and durability by effectively reducing handle temperature without the drawbacks of traditional methods.
Implementation Method 1
the magnitude of radiation heat transfer between two objects is inversely proportional to the distance between the two objects
Implementation Method 2
the same generally applies for conductive and convective heat transfer between two objects
Implementation Method 3
a substantially closed volume which uses air or other material to insulate the handle from the heated volume of the barbecue grill
Data Source
AI summary
Two main embodiments of a heat shield for a barbecue grill are disclosed herein. Both are designed to reduce the transfer of heat from the heated volume of the cooking chamber to the handle of the barbecue grill. The first embodiment mounts to the exterior of the cooking chamber and is disposed between the cooking chamber and the handle. The first embodiment is contoured to interrupt the convective flow of heated air away from the handle. The second embodiment mounts to the interior of the cooking chamber opposite the handle. The second embodiment rests adjacent the inside surface of the cooking chamber to form a partially or substantially closed volume that serves as an insulating barrier for the handle.