| 摘要 |
PURPOSE: A safety sign for preventing approach is provided to prevent a vehicle or a human from being fallen down due to carelessness by being installed in a breakwater or a shoulder of a road such as a riverside road. CONSTITUTION: A safety sign for preventing approach comprises an identification body(10), first and second fall risk phase units(20), first and second LED lighting units(22,50), a reflection unit, a sunlight capacitor(60), a human body sensing and warning unit(70). A plurality of polypyramid protrusions is installed on the upper surface of the identification body to prevent people from taking a seat. The human body sensing and warning unit comprises a human detecting sensor(71) and a falling alarming unit(72). The human detecting sensor is an infrared ray sensor, and the fall risk phase units are a shape of a light bar or a sound transmission unit. The first and second LED lighting units comprise an LED module(51) and a protective cover(52), and a light diffusion plate is inserted into the protective cover. |
