We all know that the light source used in the traditional signal light is incandescent light and halogen light, the brightness is not large, and the circle is scattered. LED traffic lights use radiation spectrum, high brightness and long visual distance. The differences between them are as follows:
1.The advantages of incandescent light and halogen light are cheap price, simple circuit, the disadvantage is low light efficiency, to achieve a certain light output level requires more power, such as incandescent light usually use 220V, 100W bulb, while halogen light commonly used 12V, 50W bulb.
2. The light emitted by the light source of LED traffic signal lights can basically be used, while the traditional light source signal lights need to use the filter to get the required color, resulting in a greatly reduced utilization rate of light, and the signal light intensity emitted by the signal light is not high. And the use of color and reflective cup as the optical system of the traditional light source traffic lights, interference light (reflection will make people have an illusion, will not work signal lights mistaken for working state, that is, “false display
3. Compared with incandescent lights, LED traffic lights have a longer working life, which can reach 10 years in general. Considering the impact of harsh outdoor environment, the expected life will be reduced to 5~6 years. Show “, which could lead to an accident.
4.The life of incandescent lamp and halogen lamp is short, there is trouble to replace the bulb, need a large amount of money for maintenance.
5. LED traffic lights is composed of multiple LED lights, so for the layout of the lights can be designed based on LED adjustment, let its itself into a variety of pattern, and can make all sorts of color a body, can make all kinds of signals a space which makes the same lamp body can give more traffic information, configuration of more traffic plan, Dynamic pattern signals can also be formed by switching LED in different parts of the pattern, so that the rigid traffic signal becomes more humanized and more vivid, which is difficult to be realized by traditional light sources.
6. Incandescent lamp and halogen lamp light radiation accounted for a higher proportion of infrared, the thermal effect will affect the production of polymer materials lights.
7. The main problem of LED traffic signal module is that the cost is relatively high, but because of its long service life, high efficiency and other advantages, the overall cost performance is very high.
Through the comparison of the two, it is not difficult to see that LED traffic lights have obvious advantages, maintenance costs and brightness are better than traditional lights, so now the road junctions are made of LED material.
Post time: Dec-27-2022
