Difficult to melt snow LED traffic lights low heat energy advantages disadvantages?

LED as a traffic signal light source is the current mainstream trend, not only bright and easy to identify, energy saving and environmental protection, and long service life. Just because of the heat generated by the LED lamp is low, so when the snow cannot immediately melt the snow covered light, light is not clear and easy to cause accidents. This situation often occurs in the harsh climate of the Japanese island of Honshu aomori.

LED light-emitting principle is composed of electric energy is directly converted into light, different from the traditional incandescent lamp use electricity to generate heat from heat into energy, so the heat generated by the LED lamp than traditional incandescent lamp is relatively low. This feature is used in the daily lighting, in fact, is a big advantage.

However, in Aomori Prefecture, Japan, because of the heat generated by the LED traffic lights, is not enough to melt snow, LED lights on the surface was coated with a thick layer of snow, but has become the killer of traffic safety. There is a driver described at the moment do not know how to move forward, can not see the lights so that they feel afraid.

Aomori Prefecture in 2003 into LED traffic lights, to the end of 2013 a total of 8810 lights, traffic lights in the county accounted for 34.1% of the total. Energy saving effect of LED light is higher than the traditional incandescent lamp, and the service life of ten years, the latter is only about a year, maintenance and replacement costs can be significantly reduced; and the LED light emitting effect uniform, clear icon etc., use the benefits of really high in non cold area.

Although Aomori local police officers dispatched to clear the traffic lights, the snow, the results are always limited, let alone a long time to manually handle. The current industry technical staff is the study of related issues, towards the development of snow is not easy to adhere to LED traffic lights.

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