The intelligent lighting system designed in this scheme can set the desired light intensity, color temperature and special lighting effect through the man-machine interface. When the remote controller sends the control demand to each LED dimmer, the LED can be automatically completed by the dimmer. The regulation is to form the lighting environment required by the user and achieve the effect of energy saving. According to the actual measurement, the LED lighting control system can realize the intelligent regulation of the LED lighting system with high cost performance and improve the energy utilization efficiency.
introduction
A new generation of green environmental protection light source represented by LED has been gradually popularized and applied in recent years, and people's requirements for efficient control, diversification and individualization of LED lighting are also increasing. How to create a light environment corresponding to a specific scene according to user needs, improve lighting efficiency and reduce energy waste is an important part of LED intelligent control system research.
Communication is an important part of the LED intelligent control system. At present, there are traditional light sources or LED lighting control systems using wired network technologies such as DALI, C-Bus, DMX512, Ethernet, and wireless network technologies such as ZigBee and GPRS. However, the LED control system based on the above communication method is in the control protocol. There are certain deficiencies in terms of openness, data transmission reliability, security, equipment hardware costs, and operating costs.
RF4CE is an RF remote control standard for the home appliance industry jointly proposed by the ZigBee Alliance and the RF4CE Alliance in 2009. Its goal is to eventually replace the widely used infrared remote control technology. RF4CE is a network layer and application layer protocol based on IEEE802.15.4 physical layer and MAC layer. It has non-line-of-sight transmission, two-way communication, ultra-low power consumption, good interoperability, and free ISM frequency band. It can be used as home automation. An important wireless communication platform for entertainment applications.
In view of the shortcomings of the existing LED lighting control system, this project designed a set of interactive, reliable, economical and practical LED intelligent lighting system based on RF4CE RF remote control standard, which can pass the LED lighting system for home and public places. Network control, to achieve the various lighting environments that users expect, and to achieve energy saving and consumption reduction.
1 overall system structure
The LED lighting control system consists of a remote control and a high-power LED dimmer. Both sides are connected wirelessly through the CC2530 module with built-in RF4CE protocol. Figure 1 shows the device structure of the LED control system. The user inputs the control command by using the remote control button, and the command is sent to the dimmer in the form of a data packet conforming to the RF4CE protocol. The dimmer generates three sets of PWM outputs of R, G, and B according to the command requirements, combined with the current working state, and controls the red, The power of three high-power LED lights, green and blue, forms the desired light intensity or color temperature effect. The EEPROM in the dimmer is used to store the PWM sequence (ie recipe table) for the particular lighting effect.
Snow Melting Heating Film is mainly designed to be used in Snow Melting Heat Film for Water pipe,oil pipe,unfreeze PipeGuard heating film .we are a professional and leader Chinese exporter of heat film,Customization options (for example: SMT components, flex cable and connectors) can provide the perfect complete solution that can significantly reduce assembly time and increase productivity.Providing a variety of complex shapes design, and different power designs. Membrane in the same piece electrically heated heating circuit can be designed and holding circuit,we are looking forward to your cooperation.
Snow Melting Heat mat for PipeGuard
Melting Snow,Melting Ice,Snow Melting Heat Film For Tubing,Water Pipe Snow Melting
ShenZhen XingHongChang Electric CO., LTD. , https://www.xhc-heater.com