Why not choose white light instead of warm yellow?
Have you noticed that the street lights on the road generally have warm yellow light, and rarely see white light, the road is dark, and it is very dangerous to walk in the dark at night. What danger exists can easily cause various accidents. Therefore, the existence of street lamps not only illuminates the dark night, but also improves people's safety at night.
The installation of street lights is to consider the factors of the angle of view. Even if the illumination will not be far away, warm yellow light will be selected. So why choose warm yellow light?
Staring at the white light for a long time will feel very dazzling, making the eyes very uncomfortable, and even in a short period of time, it will be dark and unable to see the situation in front of you.
The warm yellow is very gentle. Even if you stare at it for a long time, it will only make the eyes a little blurry, and it will not be as serious as the white light. Therefore, when choosing the light color of the street light, you must consider many aspects, not just for a brighter light. ,farther.
In terms of light, the luminous intensity of white is indeed much higher than other colors, and it can illuminate more places, making the field of vision wider, but this strong white light is not perfect. If you use this kind of street light in the city Lighting colors, with the help of advertising light boxes, neon lights and store lights, will not feel very tired of vision. If you are in a very empty loop, the visual fatigue will be infinitely magnified, which is what we usually call white light dazzling eyes.
In contrast, warm yellow lights do not cause this phenomenon, which is the main reason why most street lights choose yellow.
Most of the white light will be very dazzling, it is characterized by the fact that it is bright and far away. Choose the appropriate light color according to the situation.
Advantages of LED street lights:
1. The characteristics of the LED street light itself - unidirectional light, no light diffusion, to ensure light efficiency.
2. The LED street light has a unique secondary optical design, which irradiates the light of the LED street light to the area that needs to be illuminated, further improving the lighting efficiency and achieving the purpose of energy saving.
3. The light decay is small, the light decay in one year is less than 3%, and the illuminance requirements for road use are still met after 5 years of use, while the high pressure sodium light decay is large, and it has dropped by more than 30% in about a year. Design can be lower than high pressure sodium lamps.
4. The LED street light has an automatic control energy-saving device, which can achieve the maximum possible power reduction and save energy under the condition of meeting the lighting requirements of different periods.
5. LED is a low-voltage device, the voltage driving a single LED is a safe voltage, and the power of a single LED in a series of products is 1 watt, so it is a safer power supply than using a high-voltage power supply, especially suitable for public places (for example: street lights lighting, factory and mine lighting, automotive lighting, civil lighting, etc.).
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