Large-scale installation of LED street lights ensures quality is key

In April 2009, the “Ten Cities and Ten Thousand Miles” project of the Ministry of Science and Technology was officially launched. It is planned to install millions of semiconductor lighting products in 21 pilot cities in three years, which opened the curtain for replacing large-scale LED street lamps in China. . According to the statistics of the High-tech LED Industry Research Center (LIRC), 222,000 LED street lights were installed nationwide in 2009. It is estimated that the installed number of LED street lights will reach 1.12 million in 2009-2011. The huge LED street light market has made many companies and capitals rush, making the LED industry show unprecedented prosperity in 2009, especially the LED street lights have been widely promoted and installed in various places. With the large-scale installation of LED street lamps in various places, various problems have become increasingly apparent. Light decay, energy saving, low cost, high lighting efficiency, and poor lighting effects have caused many questions about the large-scale installation of LED street lamps. There are many people who disagree and think that the LED lights are too pale and ugly the city?

Generally speaking, the main reason why LED street lamps should not be installed on a large scale includes two aspects: one is the quality of the LED street lamp itself; the other is the cost of the LED street lamp. The current quality problems of LED street lamps are mainly reflected in total luminous flux, light efficiency, light decay, heat dissipation, color temperature, light distribution, stability, consistency, drive power and other parts quality life. The cost of LED street lights is a few times to several tens of times different from traditional street lights. Zeng Cong, senior analyst of the High-tech LED Industry Research Center (LIRC), said that the current cost of LED street lamps is three times that of high-pressure sodium lamps. LED street lamps should exceed the traditional street lamps in terms of cost performance. The life expectancy must be more than five years, but five years. The above experiments have not been done by the company, so local governments must be very cautious when installing LED street lights.

The current advantages of LED streetlights are energy saving, long theoretical life, and environmental protection. Today, the promotion of green environmental protection in the world is very dazzling, and has received support from the government and industry. Intelligent control systems are another advantage that traditional street lights cannot match. LED street light sources are different from traditional light sources. From some performance perspectives, LEDs are electronic components that can be intelligently controlled by ICs. At present, there is an intelligent LED street lamp system that intelligently and steplessly controls the brightness of LED lighting. In the future, it is possible to automatically adjust the brightness, color, and angle lights according to different environments, and also monitor the use status of the lamps in real time to achieve intelligent control to achieve optimal results.

At present, LED street lights should not be installed on a large scale. In fact, it is not the most important problem. The key is whether the quality of the installation can be guaranteed. Because with the deepening of the concept of energy saving, emission reduction and low carbon, and the breakthrough of LED street lamp bottleneck, the large-scale application of LED street lamps is inevitable, and it is the trend of the times. The application and promotion of the wind will be unstoppable. So how to break through the technical bottleneck to ensure quality is the question we should consider and ponder. Therefore, I personally think that LED street lights can be installed on a large scale, but enterprises should speed up research and development and achieve breakthroughs in technical bottlenecks as soon as possible. The government must choose suppliers with quality assurance when purchasing LED street lamp products instead of implementing local protection. Doctrine.

Enterprise production ensures quality and safety and after-sales

The most critical aspect of product quality assurance is still in the enterprise. In the production process, enterprises should strictly design and produce according to relevant national standards and industry standards, strictly control the quality and ensure that each batch of products is qualified; in technological innovation and product research and development, enterprises should increase investment, design and development. Achieve higher quality and high performance LED products to achieve product quality improvement and improvement. Pre-sale, sale, after-sales and after-sales service are the key. Our product research and development should fully consider the feasibility and ease of maintenance. According to the practice of some enterprise products, I am really worried that it is on a road, and I have set a lock on my neck, and the heavy after-sales service is maintained to the enterprise. How to bear the long-term burden? Can you pass on the maintenance service to the owner in product design? To put it bluntly, the owner is also willing to do so.

Local governments should not implement local protectionism

The so-called local protectionism is that the local government uses the administrative power in its hands to implement differential treatment for local enterprises and foreign enterprises in economic activities, and to protect local enterprises. At present, Chen Xiaodong, vice president of medium and low-light electronics, the world's largest installed LED street light, once said in an interview with a media reporter: If there is no local government support, it is difficult to get a street light pole to the street lamp department, but because local markets engage in local protection, Restricted access, currently Zhongwei has to turn its attention to foreign markets.

Due to the fact that most local governments in the pilot cities of the “Ten Cities and Ten Thousand Cities” project are interested in favoring local enterprises when purchasing LED street lamps, many enterprises are complaining about each other and there is no market for products. In addition, foreign companies adopt investment-for-order methods. To invest in LED streetlights, it is necessary to invest and build factories here. This has become the unspoken rule of the current market, no matter how low or high quality your products are. This has led to the large-scale adoption of many poor quality LED street lights in the pilot project. The quality is not guaranteed and the problem will follow. Therefore, local governments must proceed from the overall situation of the industry and the overall situation of the society. They should not take care of local enterprises and implement local protectionism for the local government's economic development, so as to reject high-quality and low-price products. We should be aware that the quality of products is crucial, responsible for the company, responsible for the industry, and the competitive consequences of protectionism, which will lead to shoddy, unqualified quality, corporate losses, and industrial development.

Installation can be customized on demand

On-demand customization is to provide the best and most suitable customized products according to different needs. On-demand customization requires the best study of what kind of light is on the road in different environments. LED street lights Due to the particularity of the light source, it is theoretically possible to make LED street lights of any color. In the different road conditions, what color and brightness are most suitable, there is no authoritative scientific saying. After installing LED street lights in Foshan, some people reported that the road surface was darker than before. The main reason is that LED street lights have good color reproduction, making the black road surface look darker than before. It has also been reported that 99% of owners have better results than high-pressure sodium lamps after installing LED street lights on certain road sections. The effects of different road conditions reflect a great difference. The government or industry can organize experts to systematically study the demand for light in different environmental conditions such as altitude, region, climate, time, and object of use, and obtain an optimal solution. For example, the light demand in different environments, the color can be white, yellow, or even any color such as red, green, blue, etc., including the total luminous flux of light, the need for light distribution, and the like. After these research results form a huge database, LED street light companies can provide corresponding street lights according to specific needs. It is even possible to finally achieve an LED street light through an automatic adjustment system that can emit different colors of light as required.

Since the street lamps are suitable for different environments, the requirements for street lamps are different under different conditions of time, place and climate. When the LED street lamp industry matures, LED street lamp companies can provide corresponding LED street lamp products according to different needs. In the end, we can provide the best street lighting solution based on the information provided by the customer. Major countries and regions, including China, the United States, Japan, Taiwan, and South Korea, are setting industry standards for LED street lamps. The implementation of LED street lamp industry standards will also enable enterprises to develop and produce LED street lamps with better basis and guarantee.

The bottleneck is only temporary

Governments have increased their investment and support for LED industry funds. In the first half of China, the investment in the LED industry amounted to 20 billion yuan. The high investment of government enterprises in research and production will effectively improve the quality of LED products and reduce the cost of LED products. In December 2009, Cree white LED achieved 186lm/W of laboratory light efficiency, and the continuous improvement of LED chip efficiency made the energy saving advantage of LED products more prominent. In the future, LED street lamps will adopt new materials and new technologies. The overall quality of LED street lamps, including light efficiency, light decay, heat dissipation, color temperature, light distribution, consistency, stability, and drive source, will also be well resolved. At the same time, technological advancement and large-scale mass production will effectively reduce the cost of LED street lamps, and the bottlenecks of LED street lamps are gradually solved.

    Will eventually replace traditional street lights

The advantages of LED street lamps are numerous, and their advantages of energy saving and environmental protection are unmatched by traditional street lamps. After the quality of LED street lamps is mature, the advantages of green environmental protection and energy conservation will be more prominent. The LED industry is one of the most promising industries. The current technology has progressed faster than many people imagine. The industry standards have been introduced and are still being actively developed. When the quality of LED street lamps is stable, the long life of LED street lamps can be intelligently controlled and the cost will be greatly reduced to an acceptable level, which will eventually replace traditional street lamps. Our generation is very fortunate. We are working hard for the revolution of the fourth generation of light sources. We are for the benefit of future generations. We are together to write history and witness the history together. Although our road is still very difficult, I believe that the road to success will be At our feet.....implemented.

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