| 摘要 |
PURPOSE: A passage guidance system using an LED is provided to light up a road so that vehicles or humans can safely pass the road and to be conveniently repaired. CONSTITUTION: A passage guidance system using an LED comprises a case(20), a cap(30), an irradiation unit(40), and plugs(50). The case has a housing groove(21) and a mounting groove(25). The cap is coupled to the top of the case and covers the housing groove. The irradiation unit has a circuit board(42). An LED(44) and a socket(46) are electrically connected to the circuit board. The plugs are inserted into the housing groove and are connected to electric wires(52). |
