I. Overview
The streetlight system is an integral part of the urban infrastructure and is closely related to people's daily lives. At the same time, green lighting is also an inevitable trend in today's lighting industry. With the acceleration of urbanization and the expansion of urban scale, lighting consumption and lighting electricity costs are increasing, which has aggravated China's increasingly tight energy supply. Along with the rapid development of the LED industry, the original traditional lamps of LED outdoor lighting channels are an inevitable trend. Then, using the intelligent control of LEDs to carry out secondary energy conservation, it will have a very broad market and practical effects.
   Based on this prospect, Thunderbird Technology is embarking on the research and development of LED street lamp control system based on its strong R&D capability. The research and development of this system is combined with the latest wireless ZIGBEE technology. Through ZIGBEE, automatic networking and data transfer between multiple nodes is realized. With low power consumption, low cost, short delay, high capacity and so on.
   Based on this prospect, Thunderbird Technology is embarking on the research and development of LED street lamp control system based on its strong R&D capability. The research and development of this system is combined with the latest wireless ZIGBEE technology. Through ZIGBEE, automatic networking and data transfer between multiple nodes is realized. With low power consumption, low cost, short delay, high capacity and so on.
Second, the system architecture
Third, the program design
This system adopts ZIGBEE, ZIGBEE wireless street light control system and street light monitoring center to establish a comprehensive real-time monitoring and monitoring. The street light wireless terminal in the area manages every street lamp, for voltage, current, power factor, brightness, temperature, etc. Monitor.
System Features:
1. Adopt ZIGBEE wireless transmission network control technology.
2, easy to install, no wiring, automatic maintenance.
3, to achieve single-lamp control of street lights, with timing, sub-control, fault alarm lights.
4, can achieve a variety of control methods, one by one, one second, and so on.
Fourth, the installation
ZIGBEE wireless controller system installation is mainly divided into three parts : single-lamp controller installation, centralized control installation, PC software installation.
(1) Â Â Â Single lamp controller installation
Try to put the luminaire on the lamp head, the antenna leads out the lamp housing, and the antenna is best facing downwards. As shown in the figure, the antenna is led out by the feeder, and fixed by means of a card or the like.
(2) Â Â Â Centralized controller installation
The centralized controller needs to be placed inside the street light control box. The installation centralized controller can be adjusted according to the situation on the spot, basically maintaining two principles: 1. A centralized control can control up to 300 è·¯ of street lamps. 2. A control unit for a street light uses a centralized controller.
(3) Â Â Â PC software installation
Customers need to apply for fixed IP and set up a server. Thunderbird Technology provides software installation and debugging.
Fifth, energy saving comparison
Take a project project as an example: 149 exhibition 100W LED high power high pole light, no intelligent control system:
High pole light power | Power consumption / hour | Power consumption / day | Power consumption / monthly | Power consumption / annual | Quantity | Total power consumption |
1000W / pole | 1 degree | 12 degrees | 360 degrees | 4320 degrees | 149ç› | 643680 degrees |
The annual electricity cost of this project is: total power consumption X 0.68 yuan = 437702.4 yuan
Using an intelligent control system, through dimming control, 12 hours a day, which can take 50% brightness for 2 hours and 75% brightness for 4 hours. It is expected to save 30% power consumption.
High pole light power | Power consumption / hour | Power consumption / day | Power consumption / monthly | Power consumption / annual | Quantity | Total power consumption |
1000W / pole | 0.7 degrees | 8.4 degrees | 252 degrees | 3024 degrees | 149ç› | 450576 degrees |
Can save electricity every year: 643680-450576=193104 degrees
                          Cost savings: 193104 degrees X 0.68 yuan = 131310.72 yuan
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