泱泱 Hua Xia, Hong Hong Zhonghua, five thousand years of splendid culture, whether it is the replacement of the dynasty, or the change of personnel, all the time and for all, in order to seek a generous and benevolent quality. Relevant data show that China's LED street lamp production capacity will continue to increase in the next few years, but the growth rate will decline compared with previous years, and more production capacity will be developed in the future export to foreign markets. Climate organization CEO MarkKenber said that with the development of cities around the world, the number of street lights is expected to reach 350 million in 2025.
Technical development of LED street lightsAt present, the LED street light, the appearance of the product, the arrangement and quantity of the luminescent particles of the LED, the size of the rectifier circuit and the internal design are various. For example, the number of single-tube power varies from 1-5W; the light distribution varies from bat-shaped, rectangular, and butterfly-wing; the optical processing method includes self-contained lens to avoid secondary optical processing and secondary optical processing. The driver case has a dedicated driver chip IC and electroless capacitor; the package case has a multi-chip package and a single chip package; the technical circuit conditions include mode, group type high power, chip integrated high power, dot matrix type high power, and the like.
The power supply assembly also has its own integrated and external power supply. The heat dissipation technology also has its own advantages. This brings great inconvenience to the operation and maintenance work after the universal use, and it does not meet the design principle of standardization and generalization of municipal public facilities.
Optical design and heat dissipation are the main technical problems faced by LED street lamps. Although the development of high-power LED street lamps is very fast, in the application, there are different degrees of low lumens, low secondary light treatment, low system light efficiency, fast light decay, short life, and color temperature deviation. A series of problems such as different light colors and multiple faults in the drive. The main technical issues such as secondary optical design, thermal design and power regulator system design are the key to improving luminous efficiency and extending life. At present, the radiation forms of LEDs include Lambertian, side-projection, batwing, rectangular, butterfly wing and concentrating types. Through the secondary optical design, the illumination range and luminosity curve of the LED meet the requirements of road lighting.
China's LED road lighting market mainly relies on government model engineering procurement, and its policy dependence is very high. In addition to the impact of LED street lamp performance and installation cost on its marketization, a sound market environment and mature business development model have become the key to whether the market can maintain healthy development.
With the continuous maturity of technology, the energy-saving effect of LED street lamps has become increasingly prominent. In particular, the intelligent control characteristics of LEDs not only strengthen the advantages of LED street light products, but also greatly enhance the space for energy saving of road lighting systems. Therefore, in the context of current energy conservation and emission reduction, local governments have widely promoted LED street lighting products.
Benefiting from the government's key project procurement, LED streetlight construction continues to promote large-scale and other favorable factors, the LED street lighting series index has continued to rise in the near future, greatly stimulating the LED street lighting market.
LED street light has the greatest development potentialIn recent years, the penetration rate (installation quantity) of China's LED street lamp market has been continuously increasing. In 2011, it exceeded 7%, and in 2012 it reached 11%. In 2013, the penetration rate of LED street lamp market was about 19%. According to preliminary estimates, by 2015 China's LED street lamp market will be about 23 billion yuan; the overall market penetration rate of China's LED road lighting products will exceed 45%, and the market space is huge.
After the "18th National Congress", due to the promotion of new urbanization construction, the urban lighting project has blossomed all over the country. Outdoor lighting has gradually shifted from a functional role to a decorative character. Outdoor lighting not only plays a role in lighting, but also beautifies the urban landscape.
Among outdoor lighting, street lamps have the greatest development potential. According to the statistics of the National Semiconductor Lighting Engineering R&D and Industry Alliance Research and Development Department, in 2012, China's LED street lamps used about 5 million baht, an increase of 44.09% over the previous year, accounting for 14% of the total street lamps. In 2013, the penetration rate of LED street lamps in the domestic market reached more than 15%, becoming the most representative lamp for the promotion and application of LED lighting in China.
According to industry experts, LED street lights will maintain a compound annual growth rate of around 50% by 2015, and by 2015, the overall penetration rate of LED lamps in road lighting (mainly street lights and tunnel lights) will reach 46%. More than 30 million LED street lights and tunnel lights will be added in the next two years. These positive expectations have brought greater development potential to LED street lights.
Emerging market dressups hitIn emerging markets such as India, Russia, Southeast Asia (Vietnam, Indonesia, Malaysia, Thailand), Latin America (Brazil, Mexico, Argentina, Colombia) and Australia, LED outdoor lighting related policies and dressing projects are receiving increasing attention. In addition, major cities in Australia, Argentina, Colombia and India have opened LED streetlight installation projects.
In terms of the North American market, as of the end of 2013, more than 600 cities in the United States have or are planning to install LED street lights. The City of New York has planned to replace 250,000 street lamps in 2017. In addition, most provinces and cities in Canada are actively pursuing LED street light replacement plans or reloading incentive programs.
The European lighting market is not too much. European LED street lights are less sensitive to price than other regions, but the quality requirements are quite stringent.
The long-term goal of the Japanese government is related lighting engineering and infrastructure construction of the 2020 Olympic Games. It has been seen that the relevant construction industry has officially started construction. It is planned to introduce LED lighting and OLED lighting to attract international attention. In addition, the signing of the International Mercury Convention will also bring new business opportunities for LED lighting.
1. The overall environment of LED street lamps tends to be stable. However, due to many objective factors such as government change and anti-corruption, the LED street lamp propulsion speed is significantly lower than expected this year. The growth rate is slowing down, showing a situation of more and more porridge, and the market is more rational.
2. This year's LED street lights have made great progress in terms of overall road illumination, uniformity and glare control. However, due to the tight market demand and the huge base of LED street lamp manufacturers, the market competition is fierce. LED street lamp orders are mostly concentrated in large-scale enterprises. . In the future, LED street lamp manufacturers will fight for the price in addition to the quality, and seeking new economic growth points is also the goal of the LED street lamp manufacturers.
3. The structural design of LED street lights has changed, and the modularization of light sources has become a new trend in the future. The previous monolithic and modular design required a complete lamp replacement once the luminaire had a problem, but only the electronic control part was replaced after the light source was modularized, although it did not save costs from the perspective of a single lamp, but the cost in the long run Lower.
4. The application of intelligent control systems on LED street lights has gradually increased. Many street lamp companies at home and abroad have been committed to the research and development of intelligent LED street lamps, such as Philips, GE and other international giants, such as Qinshang Optoelectronics, China Microelectronics, Yangfa and other domestic rising stars. Intelligent LED street lights can save 10%-20% on the original LED energy-saving technology, but the stability of the intelligent LED street light system is insufficient, the failure rate is doubled, and the control system may be worse than the lights.
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