Should street lamps use high-pressure sodium lamps or LEDs as the light source?

Nowadays, LED technology has been applied to various lighting lamps. Although LED street lamps have been vigorously promoted, there are still many street lamps using high-pressure sodium lamps as light sources in outdoor lighting. Many people still consider high-pressure sodium lamps when buying street lights. So is there a definite choice between them? Is it better to use high-pressure sodium lamps or LEDs as the light source for street lamps? The following street lamp manufacturers will take you to analyze this problem from various angles.

1. High pressure sodium lamp

The high pressure sodium lamp is a metal halide lamp, and its luminous principle is thermal radiation luminescence. From the perspective of lighting professionals, it has good color rendering, strong fog penetration, and the light emitted is a lighting lamp that is very close to daylight. Its power can be made very large, while ensuring its good heat dissipation performance. However, the luminous flux is low, the luminous efficiency is poor, the luminous attenuation is large, and the energy consumption is high.

Two, LED light source

LED is a kind of light-emitting diode. It has high luminous efficiency, long service life, good color rendering and low light decay. At the same time, its energy consumption is also very low. The electricity used under the same brightness is equivalent to that of a high-pressure sodium lamp. one third. When the power is not large, its heat dissipation performance is also good. But if the LED street light uses high-power LED light source, then its heat dissipation is a bit poor.

In short, both of them have their own advantages and disadvantages. If it is an ordinary city circuit lamp with a low height, it is recommended that you use LED street lights. If it is a high pole street light, then both can be selected. The specific choice depends on your actual situation. The cost of high-power LED street lights is higher, but the energy consumption is low, which contributes to energy saving. Compared with high-power LED street lamps, the cost of high-pressure sodium lamp street lamps is more affordable, and the heat dissipation performance is stronger. But at the same time its energy consumption is very high. Of course, in the form of global energy saving and emission reduction, street lamp manufacturers still recommend everyone to use LED light sources.