| 摘要 |
<p>PURPOSE: A color changeable streetlight according to an environmental factor is provided to prevent a short circuit by installing a moisture sensor in a pole. CONSTITUTION: An LED streetlight unit(10) includes a pole and an LED lamp. A streetlight control module(20) controls the on and off of the LED lamp. An LED color display plate(30) displays an electric shock risk and a warning according to colors and includes a diffusion plate, a three color LED module, and a heat sink. A power source unit(40) supplies power to the LED streetlight unit, the streetlight control module and the LED color display plate.</p> |
