LED
Street lights are differ from conventional lightening system that they are
long-lasting and more efficient LEDs to save money on energy and maintenance. LED
street lights are the current trend in lighting, most roads and streets in
developed and developing countries.
Unlike traditional street lights, the light source of these street lights is
LEDs. Because of LED Street light’s fixture and luminaries are a single part,
they are normally referred to as integrated lights. At time of the
manufacturing process, sealing of the LED light cluster is done on a panel
before assembly to the LED panel is done. Sealing of LED Street light is done
by using a heat sink.
LED street light’s lifespan is directly affected by the region of heat
exchange on their heat sink. Heat sinks is used in all LED Street lights have
an almost similar design to those used to cool electronic devices such as
computers, drivers or amplifiers. Heat sinks have as many grooves as possible,
to assist hot air flow away from the LEDs. The lifespan of current LED based
street lights is determined by their light output, compared to their original
design specification.
The drawback seen in LED Street light is that a large part of the light is
directed to the road, leaving little for other areas like footpaths. Solution
for this drawback is that use of specialized lens designs and adjustable
mounting spigots.
The major attraction of this street
lights is energy efficiency compared to other street lighting technologies.
Researchers are constantly searching for different ways that they increase
efficiency of next models of LED lights or next generation lightening
technology.
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