At the end of May last year, Guangdong Province introduced the promotion of LED lighting policy in the field of public lighting, which greatly increased the purchase of domestic
LED street lamps . According to statistics, in the first quarter of this year, the tender for street lamps and tunnel lights in Guangdong Province has reached 76,000 baht, compared with 75,000 baht in the whole year. The number of LED street lamps in the first quarter of this year exceeded that of last year. The first mover to become a popular LED is evident.
For road lighting companies, the fast-growing market has brought huge business opportunities to enterprises. Statistics 2012 data found that China's LED street lamps in the domestic market sales of about 2.5 million ç›, a substantial increase of about 130%, continue to maintain high growth momentum, market penetration has also increased to more than 11%, becoming the most representative of China's LED lighting promotion and application Lamps. Therefore, some insiders boldly predicted that the growth of the road lighting market is expected to exceed 100% again this year, driven by multiple factors. It is expected that the LED street lamp market will maintain a compound annual growth rate of around 80% by 2015, 2015. In the street lamp market, it accounts for nearly 50% of the market.
In the next three years, LED outdoor lighting will become the fastest growing segment of LED lighting. In 2015, the outdoor LED market in China will reach nearly 15 billion yuan.
Intelligent configuration increases luminaire gross profit
Unexplored market opportunities
Although China's LED road lighting market is optimistic in the short term, with the replacement of a large number of street lamps in the next few years, the LED road lighting market will slow down and the market will reach saturation. If it is only replaced by LED street lights, future LED road lighting will be replaced. The development of the market will gradually become mediocre. As we all know, LED's biggest advantage lies in its controllability and easy dimming. It can meet the increasingly intelligent life with the improvement of economic level. Just like mobile phones, when more intelligent technologies are implanted and more incidental value is generated, The value of the mobile phone itself has also been improved. From the perspective of light efficiency, the advantages of LED street lamps relative to high-pressure sodium lamps are not outstanding, but the development of intelligent control has greatly enhanced the advantages of LED road lighting products, including fast response and strong adjustability, which greatly improved the energy saving of road lighting systems. space. In addition, in recent years, smart lighting has become the “biggest show†of enterprise display, so the trend of increasing the value of LED lighting with the advantage of driving technology has become more and more obvious.
The so-called "intelligent lighting" is a distributed wireless telemetry, remote control and remote control system composed of computers, wireless communication data transmission, spread spectrum power carrier communication technology, computer intelligent information processing and energy-saving electrical control. Achieve intelligent control of lighting equipment. It has the functions of intensity adjustment, light soft start, timing control, scene setting, etc.; and achieves safety, energy saving, comfort and high efficiency.
Li Zili, director of the lighting department of Guangdong Product Quality Supervision and Inspection Institute, said in the report "Research and Development of LED Intelligent Control System Standards" that intelligent lighting and lighting systems are divided into non-universal lamps and intelligent lighting systems and universal Sex products and intelligent lighting systems, where versatile products and intelligent lighting systems can be replaced by lamps and intelligent lighting systems. The technology is more complex, and the definitions and formats of commands for each function are defined for convenience and versatility. , process, etc. In the case of LED street lamp centralized DC power supply intelligent lighting system, the LED street lamp centralized power supply intelligent control system adopts a microcomputer controller to detect the power source in real time, and simultaneously connects the real-time remote signal, telemetry and remote control through the communication with the host system.
The development of intelligent control technology and systems will hope to further shorten the investment recovery period, reduce the time spent on funds, strengthen the operability of the EMC model, and bring huge development opportunities to enterprises actively exploring business models. According to the survey, the price of LED lamps with power-driven chips is 20% to 30% higher than that of ordinary lamps. Only this intelligent configuration can increase the gross profit of the lamps by at least 20%, and some high-end dimmable products can even reach more than 30%. In addition, the added value of the product will be greatly improved. For example, Philips has previously introduced an LED bulb that uses the iPhone, iPad (with built-in application) WiFi control, and can adjust the brightness and color independently. The whole system is priced at $199.95, even if a bulb is purchased separately. Also required is $59.95, the price is several times that of ordinary LED lights. The increased gross profit of the intelligent configuration to the luminaire is obvious, and according to the Aladdin Lighting News reporter, the industry predicts that the market for smart home lighting and intelligent road lighting will be greatly expanded in the future, even with a penetration rate of 20%. The market space of tens of billions of dollars (total 100 billion yuan) is to be discovered.
LED PCB
As printed circuit board technology has continued to evolve, it has paved the way for the creation of a host of exciting product innovations. A prime example is the development of the PCB for LED lighting. The LED is soldered to the circuit board and features a chip that produces the light when electrically connected. A thermal heat sink and a ceramic base are used to bond the chip.
An LED PCB board tends to generate a high volume of heat, making it difficult to cool via traditional means. Consequently, metal core PCBs are frequently chosen for LED application due to their enhanced ability to dissipate heat. Aluminum in particular is often used to manufacture circuit boards for LED lights. The Aluminum PCB typically includes a thin layer of thermally conductive dielectric material that can transfer and dissipate the heat with much greater efficiency than a traditional Rigid PCB.
PCB LED Applications
PCB LED lights can be incorporated into numerous lighting applications due to their combination of excellent energy efficiency, low cost and maximum design flexibility. Examples include Automotive headlights, Airport runway landing lights, Lighting used in military field applications, Street lighting, Highway tunnel lighting, Photovoltaic (solar) lighting, Flashlights and lanterns, Traffic and signal lighting, Lighting in hospital operating rooms, High growth plant lighting and many others.
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