Cooling High-Powered LEDs Using an Innovative Fully Automated Heat Pipe System

Independent cooling system consisting of a computer, heat pipe, and fan was introduced as an initial step toward enhanced control over heat dissipation from high-power LEDs. Maintaining the substrate temperatures of the LEDs within an acceptable range has been proved experimentally to increase the performance of high-power LEDs and extend their lifespan. Instead of using light from a single sun, as traditional solar cells do, multijunction concentrator cells harness the power of concentrated solar energy. Therefore, these cells generate more power with less cooling. Concentrated sunlight was used to evaluate output power (in suns) achieved by a multi-junction concentrator solar cell operating between 160 and 250 suns. The extra heat generated by the cells was dissipated using heat pipes in this project. The heat pipe's waste heat was transferred to two thermoelectric generators, which were thermally linked to the condenser. These generators produced the power that was used.