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Sensors to join LED intelligent welcome freshmen

  The world cup is over, the 24 year after the Germanic chariot won the world cup. 2014 World Cup LED products can be described as highlights frequent. However, the domestic LED manufacturers are confused, LED lighting into a new bottleneck? Investment is a trap? Home lighting, commercial lighting no disruptive products, how to survive? Price war is heating up, where to go? Intelligent lighting as an inevitable trend, is not a new opportunity? Full automatic control of intelligent LED lamp is not subversive?

  From the recent trend of the market, furniture, lighting and commercial lighting market competition is increasingly intense, is the reason, the implementation of national policy, LED technology promotion, after all is the productivity, the price decline is also the inevitable trend. The smart home as a conceptualization of nearly half a century of life, but also almost myth. The development of the Internet to break the myth, intelligent lighting has become an inevitable trend. In the current Guangzhou International Lighting Exhibition and just finished building materials exhibition, intelligent lighting has become a hot topic of all parties.

  Intelligent lighting with high added value, its essence is the electron and network, it can not only realize the intelligent lighting control system, the realization of the basic functions of automatic control and scene lighting, and an entrance and the internet. With the addition of the sensor, the function becomes more perfect. All of them become simple, such as optical fiber sensor, temperature sensor and humidity sensor.

  A typical intelligent lighting system is to complete the transfer from the input to the output. The user can transmit the data to the host controller through a variety of input methods (control software, sensors, smart sockets, etc.), and then the main controller through the ZigBee network protocol to achieve the control of the output.

  As a signal acquisition and conversion of mechanical and electrical sensors, the technology has become increasingly mature. In recent years, the rise of MEMS technology and sensor technology to miniaturization, intelligent, multi-functional, low cost. The sensitive sensors, infrared sensors and other types of and can be composed of an LED intelligent lighting control system, sensor to collect various physical signal into electrical signals through the integrated circuit of AD converter, MCU converter, DA signals collected for intelligent processing, so as to control LED lighting on and off. Human beings can set various control requirements on the MCU to control the switching time, brightness, color and color of the LED lamp, so as to achieve the goal of saving energy and saving energy. The current integrated circuit manufacturing technology has been able to AD, DA, MCU integrated in a 5X5mm or smaller package, installed in the lamp is neither occupied area and very convenient.

  Photosensitive sensor, according to the weather, time and regional differences, automatic control of LED lighting on and off. By reducing the output power to reduce power consumption in a bright day, and the life of up to 5 million 100 thousand hours, but also can automatically adjust the brightness according to different color, provides maximum brightness and color temperature lighting demand. And all of this can be done automatically.

  Infrared sensor is to detect the infrared radiation emitted by the human body. The main principle is: human emission around 10um infrared light through the filter lens to enhance Finel pyroelectric element PIR, when will launch position movement of infrared radiation changes, the element will lose the charge balance, heat release electric charge pyroelectric effect, infrared sensor (PIR) through the change of infrared radiant energy Finel filter lens into electrical signal, namely thermoelectric conversion. No movement of the human body in the detection area of passive infrared detector when the infrared sensor detects that the only background temperature, when the human body into the detection region, through the Finel lens, a pyroelectric infrared sensor detects the body temperature and temperature difference is the background, existing detection data signal acquisition and system comparison in order to determine whether someone is really an infrared source into the detection region. In order to achieve the bright, people go out of the automatic control.

  The temperature sensor can be widely used as the over temperature protection of LED lamps. Due to the interior lighting of home lighting LED lamp itself is very small space, heat dissipation problem has been a problem restricting the development of LED lamps. LED lamp cooling is not good will cause the LED light source due to overheating and decay, but also because of the hot air rises automatically thereby affecting power life.

  The addition of the sensor, no doubt makes science fiction movies in the smart home closer to our lives, relying on the powerful data processing capabilities of the Internet, LED intelligence has become an inevitable trend. The existence of high added value and broad market prospects, I believe we can provide a reference for the majority of manufacturers.


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