New LED street lighting electronics?
Time:2024-08-16
Views:945
Inventory of our side of the tuyere industry, LED lighting will certainly not be absent. According to the research data of TrendForce Jibang Consulting, the global LED lighting market will reach US $78.36 billion by 2026, and will still maintain a compound annual growth rate of 3.9 per cent between 2021 and 2026.
If we further explore the market segment of LED lighting, we will find that in addition to continuing to increase the penetration rate in the field of indoor lighting such as home and buildings, LED lighting has also shown a strong growth momentum in some outdoor lighting and professional lighting fields. LED street lighting is a typical application scenario.
Innate advantages of LED street lighting
Traditional street lighting usually uses high-pressure sodium lamps (HPS) or mercury vapor lamps (MH), the technology is very mature, but compared with the two, LED lighting has many inherent advantages.
Low energy consumption
Some Research data show that in a city, street lamp energy consumption usually accounts for about 30% of the municipal energy budget, and the low energy consumption characteristics of LED lighting can reduce the burden of this high energy expenditure. It is estimated that switching to LED street lights on a global scale will reduce global carbon dioxide emissions by millions of tons.
Good direction
The traditional road lighting light source lacks directionality, on the one hand, it will lead to insufficient lighting brightness in the key area, on the other hand, because the light is scattered to the area that does not need lighting, it will also cause light pollution. The excellent directionality of LED lights can overcome this problem, which can illuminate a limited space without affecting the surrounding area.
Strong controllability
The driving mode of LED street lamp is to provide the required voltage and current for the LED through AC/DC and DC/DC PSU conversion. Although this increases the complexity of the circuit, compared with the traditional AC lighting technology, it has better controllability, faster response speed, fast switching and dimming, and the LED color temperature can also be accurately controlled by component selection. The improvement of controllability is a key element required for automated intelligent lighting, so LED street lights have become an indispensable item in the list of smart city construction.
High luminous efficiency
Compared with high-pressure sodium or mercury vapor bulbs, LED light sources have higher luminous efficiency, which means that they can produce higher LM per unit power consumption. And LED IR (IR) and ultraviolet (UV) light content is much lower than other traditional light sources, which means that it generates less waste heat and much less thermal stress on the entire lamp.
More environmentally friendly
Because they contain toxic substances (such as mercury), high-pressure sodium lamps and mercury vapor lamps require special treatment procedures when they are discarded, which is time-consuming, laborious and environmentally unfriendly;Moreover, metal halide lamps may also explode in some cases.LED lamps do not have these problems, the use of more environmentally friendly, safer.
Long life
It is well known that LED have a high working temperature and a long life. It is estimated that the service life of LED lighting arrays in road lighting can reach 50,000 hours or more, which is 2-4 times that of high-pressure sodium lamps or metal halide lamps. Because there is no need for frequent replacement, the resulting savings in related material and maintenance costs are exciting.
ecause of its low energy consumption, good directivity, long life, fast response, no pollution, and strong controllability, LED lamps are rapidly penetrating into all aspects of the lighting field (such as indoor and outdoor lighting), and are also unlocking more creative new applications (such as agricultural and horticultural lighting). In this process, the two major trends of intelligence and standardization jointly promote the rapid evolution of technology and applications, and also drive the innovation of system architecture and basic components.
ecause of its low energy consumption, good directivity, long life, fast response, no pollution, and strong controllability, LED lamps are rapidly penetrating into all aspects of the lighting field (such as indoor and outdoor lighting), and are also unlocking more creative new applications (such as agricultural and horticultural lighting). In this process, the two major trends of intelligence and standardization jointly promote the rapid evolution of technology and applications, and also drive the innovation of system architecture and basic components.
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