Not consider the gorgeous crystal ceiling lamps, ordinary high performance led flash light structure and ceiling lamps there is no difference. From the bottom shell, housing, power, light and other four parts.
Usually for power greater than 30W more than most of the 1W high performance led flash light beads, less than 30W of most of the low-power led high bay lamp (such as 3020,3014,3528, etc.). The recommended low-power LED chip, so that in the heat, can also increase the luminous uniformity. Lamp beads in accordance with their appearance to arrange, for example, assumes that the shape is round, light beads arranged in a circle, on the contrary, if the shape is square, then arranged in a square. Even so, the arrangement of the lamp beads are still there are many ways. It is 23 0.4W of 5730 high performance led flash light, for a total power of 18W. The middle of the rectangle for its constant current power supply, box the lower right corner, compared with remote control receiver photodiode, in order to receive infrared remote brightness control signal.
Need to be raised is still a large number of low-cost LED ceiling lamp with a low-power hat light, However, due to the thermal resistance of the straw hat lamp (450 ° C / W), it is difficult to heat export, and thus the light fades serious, life is very short .
The Ceiling Price has a few dozen to several hundred dollars, the foreign brands Ceiling to more than $ 600 As for the ceiling with crystal ornaments, the price is up more than a few thousand dollars everywhere, but its light only. However, at most, a 40W shaped fluorescent lamps. Ceiling unlike the ordinary energy-saving lamps are so cheap.