Today, with the manufacturer, what are the advantages of LED lamps better than high-pressure sodium lamps?
First, unidirectional light
The characteristics of the LED lamp itself - the unidirectional nature of light, without the diffusion of light, to ensure light efficiency.
Second, high light efficiency
The LED lamp has a unique secondary optical design that illuminates the area of the desired illumination with the LED light, further improving the illumination efficiency. Energy saving has been achieved. At present, the light source efficiency of LED has reached 100lm/w, and there is still a lot of room for development, the theoretical value reaches 200lm/w. The luminous efficiency of the high-pressure sodium lamp increases with the increase of power. Therefore, the overall efficacy LED lamp is stronger than the high-pressure sodium lamp.
Third, high color rendering
The color rendering of LED lamps is much higher than that of high-pressure sodium lamps. The color rendering index of high-pressure sodium lamps is only about 23, and the color rendering index of LED lamps reaches 70 or more. From the perspective of visual psychology, the same brightness can be achieved, and the illuminance of LED lamps can be higher than that of high voltage. The sodium lamp has been reduced.
Fourth, the light decay is small
The light decay of LED lights is small, the light decay of less than 3% in one year, and the high-pressure sodium light decays, which has dropped by more than 30% in a year or so. Therefore, the design of LED lamps can be lower than that of high-pressure sodium lamps.
Five, energy saving
The LED lamp has an automatic control energy-saving device, which can achieve the maximum possible power reduction and save energy in meeting the lighting requirements of different time periods. Use is relatively safe. LEDs are low-voltage devices that drive a single LED with a safe voltage. The series has a single power of 1 watt, so it is a safer power source than a high-voltage power supply, making it ideal for use in public places.
Six, easy to maintain
Each unit LED chip has a small volume, so it can be fabricated into a variety of shapes and suitable for a variable environment.
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