Chongqing: three new tunnel pilot LED lighting

From the September 4, 2008 Sino British optoelectronics industry exchange seminar was informed that Chongqing will choose 3 new tunnel pilot LED lighting. This kind of advanced energy saving lamp can change with the change of light outside the tunnel. When the driver is in and out of the tunnel, there will be no visual "black hole" or "black box".

Not only is it a novice, but a lot of old drivers are also called "in tunnels"". Chongqing LED lighting industry alliance director Chen Weiming said, the day the driver entered the tunnel, the tunnel is much higher than the brightness of the light outside the tunnel, if the tunnel is long enough, the driver saw a hole is dark, this is the "black hole" phenomenon; if the tunnel is very short, the emergence of a "black the box in front of the driver will". This kind of phenomenon, which can be seen from the inside of the tunnel by the bright outside, can be seen in a certain period of time".

In addition, in the middle section of the tunnel, the smoke emitted by the automobile is formed and the light of the automobile headlamp is absorbed and scattered by the smoke. The tunnel exit is much brighter than the tunnel interior, the driver will have a strong glare, prone to accidents.

Therefore, tunnel lighting is not ordinary lighting, should change with the change of light intensity outside the tunnel, such as the sun is outside the tunnel, tunnel lighting may be 1000 watts; and by night, tunnel lighting may be as long as 10 watts. Chen Weiming said.

LED lamps than ordinary sodium lamp power saving, why not a lot of promotion? "The price of a LED lamp for lighting is 8000 yuan - $10000, while the ordinary sodium lamp is $2000, so many tunnels will definitely choose sodium lamp. "Chen Weiming said, after investigation, as long as the tunnel is longer than 3 km or 5 km longer than the road, installation of the LED lamp and the ordinary lamp price almost, because of the cable distribution box, transformer power supply facilities greatly reduced.

It is reported that Chongqing will choose 3 new tunnels (specific tunnel is not determined) pilot LED lighting, after the success will be gradually promoted.

Source: Chongqing Evening News