Air-Cooled LED Array with Vacuum-Driven Blower Cooling
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Solution Overview
Problem
High intensity LED systems generate significant heat, which can lead to dangerous temperatures, premature failure, and structural damage if not adequately cooled, and existing liquid cooling systems are costly and complex to install and maintain.
Innovation Solution
An air-cooled high intensity LED system using a blower device and conduit to create a vacuum or pressurized condition within a manifold with finned radiators, ensuring consistent cooling across multiple segments, and incorporating a temperature sensor and controller for automatic blower operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If liquid cooling systems are used to cool high intensity LED systems, then cooling effectiveness is improved, but device complexity and maintenance cost increase
Solution Approach 1:
The patent replaces the liquid cooling system (mechanical system requiring pumps, hoses, and maintenance) with an air cooling system using a blower device. This substitution eliminates the complexity of liquid circulation infrastructure while maintaining effective heat removal from LED elements through forced air convection across finned radiators.
Solution Approach 2:
The patent uses pneumatic principles by employing a blower device to create pressurized or vacuum conditions that force air flow through the cooling system. The air is pressurized and directed through conduits to radiators, utilizing gas pressure and flow dynamics to achieve effective cooling without mechanical liquid circulation systems.
2Device complexity
If air cooling systems are used instead of liquid cooling, then device complexity is reduced, but cooling effectiveness may deteriorate
Solution Approach 1:
The patent employs dynamic air flow control using a blower device that can create variable pressurized or vacuum conditions. This dynamic adjustment of air flow rate and direction allows the system to optimize heat removal efficiency, ensuring adequate cooling performance while maintaining system simplicity. The finned radiator design also enhances heat transfer dynamics through increased surface area exposure to moving air.
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-cooled system effectively dissipates heat, reduces maintenance complexity, and minimizes temperature gradients, extending LED life and ensuring safe operation while being cost-effective and compact.
Implementation Method 1
Airflow through the radiators is accomplished by creating a vacuum within the array by drawing air out of the manifold through the conduit
Implementation Method 2
The blower is configured to move air through the conduit to create at least one of a vacuum condition in the manifold and a pressurized condition within the manifold
Implementation Method 3
Each segment of the array includes a radiator thermally coupled to the LED elements to transfer heat from the LED elements to the environment
Implementation Method 4
Airflow through the radiators is accomplished by creating a vacuum within the array by drawing air out of the manifold through the conduit
Data Source
AI summary
An air-cooled high intensity LED light system includes an air-cooled LED array coupled to a blower device via a conduit. Each segment of the array includes a radiator thermally coupled to the LED elements to transfer heat from the LED elements to the environment. Airflow through the radiators is accomplished by creating a vacuum within the array by drawing air out of the manifold through the conduit. A blower provides the desired vacuum pressure to draw air from the environment through the radiator fins and out of the manifold. The conduit branches into individual segments so that an inlet corresponds to each of the segments of the array.