With the continuous consumption of energy and the scarcity of resources, the greenhouse effect is becoming more and more harmful to human beings. The pollution of the atmosphere to the earth is becoming more and more serious. The international demand for energy conservation and consumption reduction is getting higher and higher. The top priority of the work. China started the green lighting project as early as 1996, and proposed that lighting projects should save resources, prevent pollution, and benefit future generations. Over the years, through the joint efforts of all walks of life, as the fourth generation of light source semiconductor (LED) lighting products have made rapid development, and achieved remarkable achievements in energy saving. With the continuous consumption of energy and the scarcity of resources, the greenhouse effect is becoming more and more harmful to human beings. The pollution of the atmosphere to the earth is becoming more and more serious. The international demand for energy conservation and consumption reduction is getting higher and higher. The top priority of the work. China started the green lighting project as early as 1996, and proposed that lighting projects should save resources, prevent pollution, and benefit future generations. Over the years, through the joint efforts of all walks of life, as the fourth generation of light source semiconductor (LED) lighting products have made rapid development, and achieved remarkable achievements in energy saving.
China's outdoor road lighting accounts for about 30% of the total electricity consumption of lighting, which is closely related to people's production and life. LED street light as an important application of outdoor lighting, its superiority:
1. Long life of high-power LED street lamps
The focus of this issue, which is very much concerned by everyone, is as optimistic as the 5-10 million hours described by many domestic and foreign experts and company product brochures. In fact, the life of high-power LED street lamps depends on the following points:
(1) Chip quality and light attenuation value of LED light source.
(2) LED package quality. Consistency and reliability.
(3) The LED acts as a cold light source, but the LED semiconductor itself generates heat. The heat dissipation of the LED ensures good working conditions of the LED.
(4) Life quality assurance of power supply and constant current drive.
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