| 摘要 |
A LED street lamp is provided to reduce maintenance cost by installing a LED package to an existing street lamp. A LED street lamp(100) includes a street lamp pole and a cover. A bottom part of the street lamp pole is fixed to a ground. The cover is horizontally coupled in a top end part of the street lamp pole. A coupling part(110) is positioned in an inner space of the cover. The coupling part is fixed to a screw coupling hole of a lamp fixing bar. A printed circuit board(120) is screwed with the coupling part. A plurality of cooling parts(130) is fixed to a bottom part of the printed circuit board in order to emit a heat. A plurality of LED modules(140) is mounted on the printed circuit board. A power supply line(150) is connected to the printed circuit board in order to supply a power to the LED module.
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