| 摘要 |
PURPOSE: A streetlight mounted with an automatic cleaning device is provided to clean pollution stained on a lens part, and to prevent the pollution in advance. CONSTITUTION: A wiper motor(31) is installed inside a body(1). A shaft(31a) of the wiper motor perpendicularly passes through a lower part contiguous to a lens(13). A wiper(32) of a cleaning device performs repeated rotating motion at certain angle. A cleaning pad is contacted with a lower side of the lens. A rainwater storage(41) of a water spraying device including an opened upper side stores rainwater. A spray nozzle sprays water in a direction of the lens. A pump supplies water of the rainwater storage to the spray nozzle.
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