High power LED street lights are alternative products to high-pressure sodium lamps, with the following advantages:

1、 Unidirectional optical properties

The characteristics of LED street lamp poles themselves - the unidirectionality of light, no diffusion of light, ensuring lighting efficiency.

2、 High luminous efficiency

LED street lights have a unique secondary optical design, which directs the light from the LED street lights to the desired illumination area, further improving the lighting efficiency. The energy-saving goal 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, with a theoretical value of 200lm/w. The luminous efficiency of high-pressure sodium lamps increases with power, therefore, the overall luminous efficiency of LED street lamps is stronger than that of high-pressure sodium lamps.

3、 High color rendering property

The color rendering performance of LED street lamps is much higher than that of high-pressure sodium lamps. The color rendering index of high-pressure sodium lamps is only about 23, while the color rendering index of LED street lamps reaches over 70. From a visual psychological perspective, achieving the same brightness, the average illuminance of LED street lamps can be reduced compared to high-pressure sodium lamps (referring to the British road lighting standards)

4、 Less light attenuation

The light attenuation of LED street lights is small, less than 3% in one year, and still meets the requirements of road lighting after years of use. On the other hand, high-pressure sodium lights have a large attenuation, which has decreased by more than 30% in about a year. Therefore, LED street lights can be designed with lower power consumption than high-pressure sodium lights.

5、 Energy saving and energy-saving

LED street lights have automatic energy-saving devices that can achieve greater power reduction and energy savings while meeting lighting requirements at different times.

Relatively safe to use. LED is a low-voltage device, and the voltage driving a single LED is a safe voltage. The single power of the series products is 1 watt, so it is a safer power source than using a high-voltage power supply, especially suitable for public places (such as street lighting, factory lighting, car lighting, civilian lighting, etc.).

6、 Easy to maintain

Each unit LED chip has a very small volume, so it can be prepared into various shapes of devices and is suitable for volatile environments.

Based on the above principles, high-power LED street lights have significant energy-saving effects, and replacing high-pressure sodium lamps can save 60% of electricity. Although high-power LED street lights have many advantages, it is currently difficult to replace high-pressure sodium lamps on a large scale. The main reason is that the quality of LED street lights is not stable enough and the cost is too high. Nevertheless, LED street lights have the advantages of energy efficiency, long theoretical lifespan, and environmental friendliness. In today's world where green environmental protection is advocated, they are very dazzling and have received high attention and strong support from the government and industry.