English Views: 0 Author: Site Editor Publish Time: 2022-09-13 Origin: Site
Outdoor LED Digital Displays is a screen that uses light-emitting diodes (LED) to emit light independently to display information, which is applied in an outdoor environment and fixed installation.
How to calculate the power required for Outdoor LED Digital Display?
What are the installation arrangements for the permanently installed Outdoor LED Digital Display?
How does Outdoor LED Digital Display save energy?
Due to the characteristics of constant current drive and harsh outdoor natural conditions, Outdoor LED Digital Display puts forward high requirements for the waterproof and sun protection quality of the switching power supply and the stability of the driving current. To leave an appropriate margin.
The following takes 5V 20ma lamp beads commonly used in Outdoor LED Digital Display as an example to illustrate the method of estimating the power of Outdoor LED Digital Display screen:
Screen area: 28.312㎡
Display density: 6944 pixels/㎡
Pixel composition: 1R 1G 1B
Scanning method: 1/4 dynamic scan
Then: the maximum power per square meter is 6944×3×0.02×5=2083.2(W)
The maximum power of the whole screen is 2.0832×28.312=59 (KW)
Power loss (estimated by empirical value) 59×0.1=5.9(KW)
The actual power of the whole screen is 64.9÷4=16.225 (KW)
Other equipment such as audio is calculated according to the actual power. If it is used to play videos such as advertisements, the average power consumption can be calculated according to the empirical value, that is, 40% of the maximum power.
1. Flash protection measures for the installation of buildings and screens
To protect the Outdoor LED Digital Display from strong electromagnetic attacks by lightning, the display body and the protective layer of the repackaging must be grounded, and the resistance of the grounded line should be less than 3-Ohm, What can make the current caused by lightning It can be deduced in time from the grounding cable.
2. Water density, dust density, and moisture-resistant measures for the whole screen
The connection between cabinet and cabinet as well as the connection between the Outdoor LED Digital Display and the under-load installation object should be seamlessly connected to avoid water leakage and moisture. Good drainage and ventilation measures must be in place inside the sieve and if it accumulates in the inside water, it can be removed in time.
1. Outdoor LED Digital Display in the structural design method
Since the Outdoor LED Digital Display is outside, it will be affected by environmental factors, such as air humidity, air salinity content, etc., so the structural design of the outdoor LED display needs to take these into account, in order to save maintenance costs and achieve energy saving and consumption reduction.
2. Improve led power supply
This plays an important role in the energy saving of the Outdoor LED Digital Display. The current Outdoor LED Digital Display directly uses a half-bridge or full-bridge high-efficiency switching power supply, and the synchronous rectification has a significant energy-saving effect. Reduce the power supply voltage and achieve better energy-saving effect by separately supplying power to the red, green and blue die.
Great products begin with the best engineering staff, and UNA TECH CO., LTD is ready to assist you with your Outdoor LED Digital Displays. We can create a 24-hour engineering and development environment that runs concurrently with our manufacturing operations.
