Rail transit lighting mainly includes trunk rail lighting, such as motor trains, locomotives, and urban rail transit lighting, such as subways and light rails. LED's high energy saving, safety and environmental protection, vibration resistance, high reliability, excellent color rendering index and other characteristics have become its advantages in rail transit applications. At present, in some cities with developed rail transit, LEDs have been used through tendering or demonstration applications, and related product research and development is also underway, but the main applications are concentrated in cities such as Shenzhen and Hong Kong.
Wang Gang, dean of Foshan Research Institute of Sun Yat-sen University, said that the use of LEDs in urban rail transit lighting has the characteristics of system integration, involving LED indoor and outdoor applications. For example, subway car lighting requirements are close to indoor lighting, subway underground passages, corridor lighting requirements are close to commercial lighting. At present, although LED has not been widely promoted in rail transit lighting, its application potential is huge. The LED is suitable for the rail transit lighting environment and will be fully adopted once the product is approved. At the same time, in the context of the country's increased infrastructure construction, the subway and high-speed rail have developed rapidly. Many new subways are considering the use of LEDs. The prospect of LEDs for rail transit is very broad.
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