“Who stole the Galaxy?†After Chai Jing’s investigation into the incident, as a member of the LED lighting industry, we had to reflect on what we did wrong for the environment.
Excessive outdoor lighting not only causes high energy consumption, but also affects the surrounding environment. This may mean that one day you will never see the stars in the night sky again. The use of high-efficiency light sources and high-efficiency luminaires with less scattered light with intelligent control systems is the future of lighting solutions.
According to the German Federal Emission Control Act, if the form, scope, and turn-on time of light can cause risks, cause significant adverse effects, or mental stress to the public, it can be considered a devastating impact on the environment.
What is caused by streetlights, advertising lighting, floodlighting, and night sky lasers, which can be seen very clearly in big cities or towns, what we call light pollution is having a wide-ranging impact on nature.
Artificial lighting has changed the circadian rhythm of many people.
The artificial lighting environment affects the plant's growth cycle, and now you can rarely see night creatures such as owls or fireflies.
Astronomical activity areas that need to maintain a high dark sky are also rarely strictly controlled.
Effective outdoor light control:
Scattered light is a big cause of bright night sky. Professional planning can mitigate this impact and reduce energy consumption.
In professional planning, the light intensity and brightness required for complex outdoor lighting need to be defined according to the standard. It also needs to select the appropriate optical system to achieve the purpose of controlling light. For public space lighting, it is necessary to control the lighting time according to the basic needs, minimize the light emission, and improve the energy efficiency of the lighting system.
This is not only beneficial to the environment, but also brings about social benefits through the improvement of the quality of life.
Annotation: The following pictures and texts are only used to illustrate the difference in light pollution caused by different lighting products. It does not mean that such lamps can achieve the data effect.
[a] Conventional spherical bare lamps: about 50% of the scattering loss in the night sky; about 30% of the scattering loss in the inactive area or surface; the luminous flux that can be utilized is about 20%.
[b] Conventional bare light source, lamp with lampshade: about 30% of the scattering loss in the night sky; about 30% of the scattering loss in the inactive area or surface; the luminous flux that can be utilized is about 40%.
Each zone within a tunnel has its own requirements in terms of lighting design and performance. For example, tunnel entrances require high levels of light with little or no luminaire spacing.
In contrast, the lighting in the tunnel interior should be a low level with or without luminaire spacing. With our extensive portfolio of LED luminaires we can create any lighting concept to provide exactly the right balance between visibility, safety and economy.
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