Application prospect analysis of LED navigation aid lamps in large airports

Large airports should pay close attention to the application of LED lamps in large international airports and the research and development trend of aviation lamps, establish working contacts between airports and airports and between lamp manufacturers, and realize information technology sharing. Airport navigation lighting system is an important reference for aircraft landing and ground taxiing. In recent years, with the emergence of LED navigation lighting, it is a major improvement in navigation lighting technology. At the early stage of listing, it is difficult to popularize it in the civil aviation industry because of its high price. With the maturity of technology and the improvement of technology, the price gap between LED lamps and traditional lamps is gradually narrowing. however, it has obvious advantages in operation stability, light source life, color, uniformity of light emission and energy saving, which brings convenient conditions for the promotion of LED navigation aids lamps in airports. According to the statistics of 2017, the passenger throughput of domestic airports has reached 32 with more than passengers. Taking the capital airport where the author works as an example, the number of flights is still increasing every year. moreover, the aircraft type is also developing in the direction of large-scale development. There are still airlines lining up to enter the capital airport flight time. Under this background, the contradiction between aircraft operation and ground facilities maintenance is becoming more and more obvious. Therefore, improving the stability of ground facilities has reached a consensus within the airport. This year, on the basis of adhering to the bottom line of flight safety, the Civil Aviation Administration has put forward the concept of high-quality development, which has put forward higher guarantee requirements for the operation and management of the airport, and runway safety is the top priority. Under this background, to ensure the safety of runway operation and shift the focus of work to the maintenance of runway facilities, a consensus has been reached within the airport, while LED lamps have low failure rate. it has become a good choice to reduce the workload of maintenance personnel, improve the operation stability of the navigation lighting system and shift the focus of work. There are so many advantages of LED lamps, but their application status in China is not optimistic. The reason is that the research and development trend of dimmer and isolation transformer matched with LED lamps lags behind. the existing facilities and lamps do not match well and do not achieve good results, so a certain cost should be invested in upgrading. Second, the maintenance of LED lamps is more technical than that of traditional lamps. The technology is mastered by lamp manufacturers, and there is a technical threshold for existing maintenance. Third, there is still a gap between the price of LED lamps and that of traditional lamps. Due to its sensitivity to price, it cannot be applied in large areas. Fourth, the flight volume of domestic airports has not reached the order of the capital airport. The contradiction between maintenance and operation is not as prominent as the capital airport. Another problem that cannot be ignored is that there are more snowfall or low visibility weather in the northern airport in winter, and the penetration effect of LED lamps under their own heating and low visibility is worse than that of traditional lamps. in the snowy weather of the northern airport, the snow melting ability of LED lamps needs to be observed. In terms of penetrating power, even in the field of civil lighting with slightly lower safety margin, such as automobile lighting, there are also few LED light sources installed in lighting headlights, which further illustrates everyone's concern about this problem. Moreover, due to its long life cycle, LED lamps do not have a more comprehensive statistics on light intensity attenuation ( In the industry, the light intensity of the light source of the lamp is attenuated to 50 of the specified value as its failure standard), Still need to track verification. For taxiway navigation aid lamps, the above problems can be ignored due to the lower light intensity standard, while the application of runway lamps is difficult due to the higher visual requirements. Summary, for the capital airport, as the leader of the domestic airport industry, it should adhere to the concept of industry development mission and comprehensively evaluate the promotion prospect of LED lamps and their impact on the existing maintenance work. actively promote the application of LED lamps in the airport. Secondly, relying on statistical data, the operation of LED lamps in the capital airport has been preliminarily verified ( The capital airport installed more than 200 sets of LED slides in the eastern taxiway in 2014, and the test was good) , Master the diversity of LED lamp brand and the difference of technology, and make a good connection with the original navigation lighting circuit after a wide range of application, realize a smooth transition, and cooperate with the bureau to issue industry guidance. verifying the use effect under low temperature conditions in winter has become the next step for the airport side to carry out in-depth work. Thirdly, the application of LED navigation lamps in the airport should be carried out step by step. At the initial stage, it can be installed in areas where navigation is difficult to stop and lamps and lanterns have relatively frequent failures, such as areas that quickly break away from taxiways. then gradually promote in the whole field, and should do a good job in the following aspects: first, carefully sort out the regulations and standards for the application of LED lamps, and purchase and install them in accordance with regulations to ensure that they meet the requirements of the Bureau; The second is to sort out the details of LED lamp maintenance and inspection work, speed up the training progress of maintenance personnel and improve the disposal ability. The third is to increase the promotion of new lamps and new scientific research projects in this field, and coordinate the bureau and lamp manufacturers to evaluate the application prospect of new lamps and technologies in the airport. explore effective ways to improve the safe and stable operation of airport navigation aid lighting system; The fourth is to actively promote the construction of the aviation lighting laboratory, in line with the promotion of new facilities and technologies, and create good prerequisites for its application in the airport. large airports should pay close attention to the application of LED lamps in large international airports and the research and development trend of aviation lamps, establish working contacts between airports and airports and between lamp manufacturers, and realize information technology sharing. (