LED lighting intelligent control development trend

LED lighting intelligent control development trend It is understood that Philips's proportion of intelligent lighting research and development in 2015 will be as high as 95%. Then, if we agree with Philips' strategy, we can't help asking how Chinese companies will design in the key areas of this industry's competition. How to deal with the future in this area is not subject to the restrictions of the international giants?

In order to fully discuss the current status and trends of the development of intelligent control of LED lighting, the current problems faced and the future development direction of the company, recently, the "National Semiconductor Lighting Research and Development and Industry Alliance (CSA) and China (East China) LED Application Promotion Center jointly organized" Imagine LED Light of Wisdom - The theme salon of Guangxingtianxia Semiconductor Lighting was held in Beijing Longport Optoelectronics Co., Ltd., which was hosted by Feng Yadong, National Semiconductor Lighting Engineering R&D and Industry Alliance. The on-site guests were professors of Shanghai Institute of Microelectronics, Peking University. Yan Chongguang, Director of Lighting Department of Guangdong Product Quality Supervision and Inspection Institute Li Zili, Associate Researcher of the Institute of Semiconductors, Chinese Academy of Sciences Duan Jingyuan, Deputy General Manager of Guangdong Longview Optoelectronics Technology Co., Ltd. Chen Yuhong and other experts, and people in the business community, everyone on the current LED intelligent lighting The status quo of technology, major problems faced, and future development trends; and the application of intelligent control systems in road lighting, home applications, and special applications are discussed and discussed from various perspectives.

Intelligent LED Lighting System and Sensing Technology

First of all, Prof. Yan Zhongguang of the Shanghai Institute of Microelectronics of Peking University made a report titled "Intelligent LED Lighting System and Sensing Technology." He pointed out that in most cases, people often say that intelligent lighting control systems refer to indoor lighting control systems. "The sensor is an important part of achieving intelligent lighting." In the report, he summed up the system components of the intelligent lighting control, and the sensor + MCU + control execution + LED = intelligent lighting. It mainly describes the concept, function, classification, application and example analysis of sensors in smart lighting.

Professor Yan Chongguang classifies sensors into four categories: pyroelectric infrared sensors, ultrasonic sensors, Hall sensors, and light sensors. He mainly explained the infrared sensors in detail, elaborated each step of infrared energy-saving LED energy-saving lighting system design program and the application of infrared sensors, including: infrared sensor LED lights and infrared intrusion detectors, bedroom infrared automatic control switch system , Building infrared sensing automatic control switch system. "In the case of a body-sensing LED downlight, a pyroelectric infrared sensor is used to detect the infrared radiation of a moving human body. As soon as the human body crosses its detection range, it senses when the ambient illumination is lower than the set starting illumination. Lighting, such as re-perception when the body will repeat the delay, turn off the lights after the end of the delay; and an ambient light sensor, the user can choose the desired lighting illuminance to determine the light in the dark or light environment.

LED needs intelligent system cooperation to subvert traditional lighting concepts

Duan Jingyuan of the Institute of Semiconductors, Chinese Academy of Sciences, in a report titled "Analysis of LED Lighting Intelligent Control Application Requirements and Main Technical Difficulties," clearly states: "LED is not a traditional lamp, and it requires intelligent systems to match its potential and subvert the concept of traditional lighting. ."

He said: LED lights make our world more energy-efficient, while the combination of LED light communication and control methods may be more convenient and more green. The LED light can transmit the network signal and control signal through the light, send out the modulated signal, finish the transmission of the information and order. In addition to connecting to the network, LED lights can also serve as the commander of various home appliances.

In particular, building lighting is the most important part of the application market. He said that the energy consumption of buildings is very high. Some countries in Europe and the United States have developed intelligent lighting systems for them, and using lighting control systems can better reflect their energy efficiency. Management advantages.

For the future of intelligent lighting control, he said that LED should not be limited to the function of lighting alone, LED itself has very convenient modulation and control characteristics, based on this feature can be a smart center, the various control information Together. At the same time, in terms of health, according to the theory that different light colors have different effects on human health, LEDs will hopefully gather more application values ​​and achieve more functions. “LED lighting is like a Porsche, and its speed may not be the same as that of a tractor in a country muddy road, but if we build a road and sell it to customers together with Porsche, it will make users feel more convenient and Enjoy." He believes that LED only with the combination of intelligent control to maximize the characteristics and advantages of LED lighting to replace traditional lighting.

Future Trends of Intelligent Office Lighting

Afterwards, Guangdong Longview Optoelectronics Technology Co., Ltd. Chen Yuhong mentioned in the “Future Trends of Smart Office Lighting” report that at present, there are three major obstacles to the promotion of smart lighting applications. First, it requires complex system support, and construction is difficult; second, The cost is too high, most users are more difficult to accept; the third is the need for professional and technical personnel to debug. At the same time, he mentioned that Longview Optoelectronics also put forward its own opinions on intelligent office lighting solutions, such as intelligent sensing and on-demand lighting: automatically adjust to a light state when no one is in use, intelligently light up when someone is on, or according to the environment. The temperature is adjusted to cool and light, and the indoor light-sensing environment is automatically adjusted to achieve “on-demand lighting” to reduce light waste and create a comfortable and comfortable indoor environment. The summer light source is automatically adjusted to a cool tone, making people feel cool; winter light sources are automatically adjusted to warm colors, making people feel warm.

LED intelligent control system standard research and development

Guangdong Provincial Institute of Illumination Li Zili said in the report “Research and Formulation of LED Intelligent Control System Standards” that intelligent lighting and lighting systems are divided into non-general lamps and smart lighting systems and versatile products and intelligent lighting systems according to their versatility. Among them, general-purpose products and intelligent lighting systems, lamps and intelligent lighting systems can replace each other, the technology is more complex, for the sake of convenience and versatility and provides a unified definition of the various functions of the command definition and format, processes and so on. LED lighting concentrated DC power supply intelligent lighting system, the LED street light centralized power supply intelligent control system uses a microcomputer controller, real-time detection of power, at the same time through communication with the host system to connect real-time remote messaging, telemetry and remote control.

Finally, Dr. Guo Cheng, the State Key Laboratory of Semiconductor Lighting Co-Innovation, in the title “Development and Practice of Intelligent Control,” stated: What is the purpose of intelligent control of semiconductor lighting? The first is to save costs for users and production companies, and the second is to provide users with an irreplaceable function. At the same time, what are the trends of LED intelligent control development? “Intelligent control is the integration of display, lighting and communication functions, especially the highly integrated with the Internet, especially mobile Internet. In the future, we will consider more about how lighting control integrates with mobile Internet.”

Progress of the State Key Laboratory in the Intelligent Management System

Dr. Guo Cheng also introduced the work progress of the National Key Laboratory in the intelligent management system of LED street lamps. He said that the State Key Laboratory of Semiconductor Lighting Co-Innovation has developed an LED street light intelligent management system that can control a single street light and meet the requirements of city-level street light control. Each city needs its own business card. The LED street lamp system is highly displayable and is an important part of the smart city and the Internet of Things. It can enhance government property and municipal management capabilities; lighting is changing from traditional management methods to intelligent management methods. Past field maintenance and troubleshooting to remote monitoring, from paper media management methods to intelligent, electronic property management. Intelligence is the development direction of the current city. As the demand changes, various new types of applications will also be gradually introduced.

Afterwards, Guo Cheng also introduced the development trend of scene lighting. For example, an international company has begun to integrate various functions of communication, sensing and calculation in bulb lamps; at the same time, the State Key Laboratory has also applied LED lighting. In the development of some additional features such as "Car Park Guidance".

Afterwards, everyone actively agreed that the biggest advantage of LED lies in its controllability. The full realization of the LED lighting energy saving concept, the realization of digitization, and the value-added value of lighting are inseparable from the support of intelligent control systems. At the same time, the intelligent control system can completely get rid of the traditional definition of lighting, and promote the transformation of the green lighting business. Especially for some LED companies with long-term strategies, the intelligent control of LED lighting means that the core competitiveness of enterprises is really enhanced, and the “blue sea” of market “homogeneous” competition and price war is eliminated.

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