p5 led taxi advertising sign
How to reduce the power consumption of outdoor large screen?
According to statistics, China outdoor LED display power consumption is 16.7 billion kwh a year, the equivalent of the Three Gorges Dam generating capacity of approximately 60 days, the equivalent of about 850 million tons of coal consumption, nearly 17 million tons of carbon dioxide emissions.
Internet age, more and more outdoor image and video ads, outdoor dynamic information needed to play, which is the traditional printing billboards can not be achieved, only outdoor LED display can better achieve these functions. According to "2014 China LED display applications Industry Annual Development Report", 2000 --2014 year average annual growth rate of outdoor LED display of about 50%, which fully reflects the outdoor LED display for the community to create value, and reflects the outdoor LED usage trends display.
Therefore, although the outdoor LED display power consumption, we can not do, I can only think of ways to save power.
So, how to power outdoor LED display? Expert advice within the industry, gives recommendations following aspects:
1. Using high-efficiency LED, light-emitting chips do not cut corners;
2. Using high-efficiency switching power supply, greatly enhance the power conversion efficiency;
3. Make the body of the screen is excellent thermal design to reduce fan power
consumption;
4. The changes in the external environment and automatically adjust the outdoor LED display brightness.
5The overall circuit design science programs to reduce the power consumption of the internal circuit;
Through these five points above measures can greatly reduce the power consumption of the outdoor LED display. At the same time, improved efficiency, reduced heat hair, but also make long-term use outdoor LED display light fades relatively small.
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