The same brand of chips, how to judge the quality of LED lights?
To see what the main power supply under the lamp, cross flow or constant voltage, power supply and general outdoor lighting brand, with the meanwell mosopower
Pay attention to the LED chips used in LED street lights. LED chip is the core part of LED street lamp, and the quality of LED chip affects the service life, brightness, light color of LED street lamp, etc.. The general import LED chip slightly better quality (such as Puri and CREE) as a municipal engineering, personal recommendations in addition to the two kinds of chips are not other, Liaoyuan century products outdoor Puri CREE, indoor use of wafer,
Should pay attention to the cooling system for street lamp, street lamp cooling system is now divided into three types, one (die-casting aluminum (aluminum), two (three), Qi tablets) but also pay attention to the radiator is enough, there are many manufacturers have 90W heat lamps, used to install 120W to save the cost, so that his cooling system will follow no, my colleagues decay is relatively large
