How to choose the heat dissipation shell of LED flood light?

The heat dissipation of floodlights has always been a headache for manufacturers. The quality of the lamp radiator is the primary problem that directly affects the size of the light decay. The three basic methods of heat dissipation technology and heat transfer in the lamp shell are: conduction, convection and radiation. Thermal management also starts from these three aspects, which are divided into transient analysis and steady-state analysis. The main transmission paths of the radiator are conduction and convection heat dissipation, and the radiation heat dissipation under natural convection cannot be ignored.


flood light housing


The lighting fixtures mostly use high-power LEDs. At present, the luminous efficiency of commercial high-power LEDs is only 15% to 30%, and most of the remaining energy is converted into heat energy. If the heat energy cannot be effectively discharged, it will lead to serious consequences. High temperature will reduce the luminous flux and luminous efficiency of the LED, cause the red shift and color cast of the light wave, and also cause undesirable phenomena such as device aging. The important thing is that the life of the LED will be exponentially shortened, because the light decay of the LED or its life is It is directly related to its junction temperature. If the heat dissipation is not good, the junction temperature will be high and the lifespan will be short. According to the Arrhenius law, the lifespan will be extended by 2 times for every 10°C drop in temperature.


Jiangmen Xinhaihuang Lighting Appliance Co., Ltd. is located in the High-tech Zone, Jiangmen City, Guangdong Province, China. It has been focusing on die-casting LED lamp housings, mold customization, production of die-casting processing, and sales. It is a high-tech modern enterprise, and has a group of LED lighting. Shell products professionals. Provide one-stop service from LED lamp housing design, drawing evaluation, mold making, die-casting, post-processing, spraying, assembly, etc., and have complete control over the entire process of LED lamp housing production. Provide ADC12 aluminum outdoor lighting shell, die-casting processing, mold customization, free mold opening a series of services, seeking common development with interested customers and creating a win-win situation.


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