LED lamps have so many advantages, why are they not optimistic in airport applications?
LED lamps have so many advantages, why are they not optimistic in airport applications?
Release date: 2018-01-31 Source: Zhongzhao.com Share: 
The airport navigation light system is an important reference for aircraft landing and ground taxiing. In recent years, the emergence of LED navigation aids has been a major improvement in the skills of navigation aids.
At the beginning of the market, it is difficult to implement in the civil aviation industry because of its high price. With the skill and skill improvement, the price distance of LED lamps is gradually reduced compared with the traditional lamps, and its operation stability, light source life, color, The advantages of uniformity of illumination and energy saving are obvious, which brings convenience conditions for the implementation of LED navigation aids in the airport.
According to the 2017 data, there are 32 domestic airport passenger throughputs reaching more than 10 million people. Taking the Capital Airport as an example, the flight is still growing every year, and the aircraft models are also expanding in size. There are still airlines. After queuing into the capital airport flight time, the opposition between the operation of the aircraft and the protection of the ground equipment has become increasingly apparent. Therefore, the stability of the equipment on the ground has reached an agreement within the airport.
This year, on the basis of keeping the flight safety bottom line, the Civil Aviation Administration proposed a high-quality development concept, and put forward a higher guarantee requirement for the operation and management of the airport. The safety of the runway is the most important. Under this scene, the runway is guaranteed. The operation is safe, the center of gravity is transferred to the protection of the runway equipment, and the agreement is achieved within the airport. Due to its low defect rate, the LED lamps have become the most effective in reducing the workload of the protection personnel, improving the stability of the navigational lighting system, and the center of gravity of the handling operation. Good choice.
The advantages of LED lamps are so many, but their current status in China is not enough.
First, the development trend of dimmers and barrier transformers matched with LED lamps is lagging behind. The existing equipment and lamps are not well matched, and the best results are not achieved.
Second, the LED lamp repair is more skillful than the traditional lamp, the skill is grasped in the lamp manufacturer, and the existing repair has the skill threshold;
Third, LED lamps still have a distance compared with the price of traditional lamps. Due to the sensitivity to price, they cannot be used in large areas. Fourth, the flight volume of domestic airports has not reached the order of the capital airport. The maintenance and operation are not as outstanding as the capital airport. .
Another problem that cannot be ignored is that there is more snowfall or low visibility climate in the northern airport. LED lamps have better penetration than traditional lamps under their own heat and low visibility. Under the snowfall climate of the northern airport, the snow melting capacity of LED lamps needs In terms of penetrating power, even in the category of civil lighting with a slightly lower safety margin, such as car lighting, there are few LED light source conditions for lighting headlights, further illustrating our concerns about this issue. And because of its long life cycle, LED luminaires do not have a comprehensive data calculation in terms of light intensity attenuation (the industry uses the luminaire source light attenuation to 50% of the rule value as its failure specification), which requires tracking verification.
Regarding the taxiway navigation aids, the above problems can be neglected due to the lower light intensity specifications, and the runway lamps are inevitably difficult to use due to the high visual requirements.
In summary, as for the Capital Airport, as the domestic airport professional leader, it should adhere to the concept of leading the career to carry out the task, comprehensively evaluate the implementation prospects of LED lamps and the impact on existing protection operations, and actively promote the LED lamps in the airport. use.
Secondly, relying on the calculation data, the operation status of LED lamps in the Capital Airport has been verified (the Capital Airport has more than 200 sets of LED slides in the taxiway in the Eastern District in 2014, and the experimental conditions are good), to grasp the diversity of LED lighting brands and The difference in skills, as well as the connection with the original navigational light circuit after a large-scale application, complete a smooth transition, cooperate with the Bureau to introduce vocational counseling, verify the application effect under the low temperature conditions in winter, and become the next step for the airport side. In-depth work.
Thirdly, the operation of LED navigation aids at the airport should be carried out step by step. In the initial stage, it can be installed in areas where the difficulty of stopping the navigation is relatively high, and the problems of the lamps are relatively frequent, such as rapid departure from the taxiway area, and then gradually implemented in the whole venue, and should be done well. The following aspects of the operation:
First, carefully organize the regulations and specifications for the use of LED lamps, and purchase and install them according to the rules to ensure that they meet the requirements of the bureau;
The second is to clarify the details of LED lamp repair and inspection operations, speed up the development of repair personnel, and improve the handling capacity;
The third is to increase the implementation of new lamps and new scientific research projects in this field. Harmony Bureau, lighting manufacturers evaluate the use of new lamps and skills in the airport, and explore effective ways to improve the safe and stable operation of the airport navigation light system;
The fourth is to actively promote the construction of the navigational light laboratory, and to meet the requirements of new equipment and skills, and to create outstanding prerequisites for its use at the airport.
In the end, large airports should pay close attention to the use of LED lamps in large airports in the world and the development trend of navigation aids, establish operational contact between airports and airports, and between lighting manufacturers to complete information skills. At this stage, the use of LED navigation aids on large airport runways should be cautious.
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