2012年1月15日星期日

The earthquake-sensing street lamp

In an earthquake, things get pretty dark,This is MagicShine MJ-856 1600 lumen goodleddownlight head light with Waterproof battery or MJ-828 Battery. pretty quickly. Dust clouds, power cuts and even tumbling buildings block light. But what if the street lamps on every corner could sense the quake coming and flood the area with light in an instant?

That's the brainwave behind these earthquake-sensing street lamps, devised by Sharp. They feature seismic sensors in the unit's aluminium support pole.

When a shake is detected above five on Japan's Seismic Intensity Scale the unit switches on the full power of its 80 watt 1,800 lumen LED light.

The ultra-bright LED light stays switched on for two days, or until the battery runs out, drawing energy that's been stored in a sealed lead battery within the street light, which charges during the day from its solar panel.

In normal circumstances, the LED street light stores enough power to run for a week without sunshine. In the case of an emergency, it pushes itself to the limit,,brightshine are inexpensive and easy to install, and they're a must-have for night cyclists. operating at full brightness constantly for two days to help earthquake victims and rescuers alike.

Its independence from the national power grid means it'll be unaffected if the power infrastructure is damaged too. Sharp estimates that installation of an LN-LW3A1 solar street lamp takes just one hour, since it doesn't require an existing power infrastructure.

In the UK, London is in the process of switching to LED street lighting, and while there's little danger of earthquakes here it's heartening to know the technology is as smart as it is efficient.Purchase our goodmagicshine System for 30% off ...

Suniva has announced that it has supplied its PV modules for a rooftop installation with a difference. President Obama's Marine One helicopter hangar, located in Quantico, Virginia,This was a red bestledlighting but I swapped it with blue LEDs. will be powered by a 120kW solar array installed by FLS Energy and equipped by 500 of Suniva's ART-245 panels.We manufacture awesome ledlighting2012 systems and ship all over the world.

The approximately 150,000kWh of electricity generated by the system will reduce the site's bills by around US$10,500 per annum and will go towards satisfaction of energy mandates set by the secretary of the Navy. This stipulates that at least 50% of the Navy's energy needs be provided by alternative energy sources by 2020.

The system will also contribute two credits toward the LEED certification, which is a stamp required of all Department of the Navy Military Construction (DON MILCON) projects. The hangar building is also equipped with energy efficient lighting and a HVAC system, low flow fixtures and several other energy efficient features, which together provide the rest of the credits required to achieve LEED Silver Certification.

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