Why are LED tunnel light emerging in tunnel lighting applications?

In most outdoor lighting applications, LED prove their advantages. For tunneling applications, the point source integrated into the solid-state lighting device is particularly matched. How to solve the harsh lighting requirements by combining LED tunnel light with lens?
TEK LED Tunnel Light

The words "dark" and "gray" describe the light of many road tunnels in the world, so when you see a bright tunnel with no shadows or black spots, you might wonder why all the tunnels don't have such good lighting conditions. In fact, in many parts of the world's new tunnel shows that carefully designed LED tunnel lighting can help the driver quickly and easily adjust eyesight, reducing maintenance to a minimum, in improving the quality of the light to save energy at the same time.

We'll discuss some projects that demonstrate the value of solid-state lighting (SSL) based on LED, there are two main considerations for whether tunnel lighting should be upgraded with LED.

Municipal services usually focus on life cycle costs and the quality of light, the total cost of public lighting depends on the illumination, power consumption, equipment cost, installation cost, maintenance cost, the size of the lamp and the expected service life of the lamp.

Solid state lighting provides high quality lighting
With the development of LED tunnel lighting technology, this lighting is very good for use in tunnels. Compared with commonly used outdoor lighting products, LED lighting has excellent color rendering.

Road users and pedestrians attach great importance to lighting quality. Some cities and utilities have chosen LED lighting to improve their business areas, making them more attractive, secure and comfortable.

In tunnel lighting, it can be said that total cost and visual perception are important factors. However, given the state of public funds, must be achieved lower total life cycle cost. Fortunately, the development of LED tunnel light technology reduces the procurement and electricity costs, at the same time also has other advantages.
Tunnel
Superior lighting environment
The benefits of LED tunnel light in highway tunnels fall into two main categories: light quality and reduced the influence to traffic flow. The high quality light of LED tunnel light is largely due to the excellent color rendering index. For example, CRI of ultra-high efficiency TEK LED tunnel light is over 80 Ra, and the high pressure sodium lamp is 20 Ra. When comparing these two technologies, LED solutions create a more natural environment.

A more realistic display of color in the spectrum can help a driver better distinguish distant objects, better than the orange-brown light produced by a high-pressure sodium lamp. Even under the same absolute level of illumination, the environment feels safer and more comfortable.

The uniform illumination of the entire tunnel is another benefit of the LED scheme. Through the use of advanced optical mold development lens design, on the road to provide uniform light patterns, neither occlusion nor disturbing glare. This consistency is possible, because the LED tunnel light is made up of small but powerful light source array, can according to need to form a beam pattern, for example, in each LED to use the total internal reflection (TIR) lens to needed for the formation of the beam. In the whole space, a smoother, more consistent illumination will be formed, with no black spots or bright spots on the road surface.

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