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Slip ring solution for rotating billboard

作者:Emma 浏览: 发表时间:2021-01-12 19:52:33 来源:CENO Electronics

With the rapid development of the electronic industry, especially during the 1960s, display technology has been more rapid development, people have studied the PDP laser display plasma display board, LCD liquid crystal display, LED, electrochromic display ECD, electrophoresis display EPID and other new display technology.Due to the gradual maturity and perfection of semiconductor manufacturing and processing technology, light-emitting diodes have become increasingly dominant in solid state displays.As development progressed, people needed a device with a large screen, so there was a display device like a projector.However, due to its own brightness reasons and can not be used in high brightness environment, then there is the LED display (screen), LED display has a large visual Angle, high brightness, bright color and other characteristics.


                              

 

With the development of science and technology, LED display has been widely used, but the existing advertising display on the market is not easy to rotate, and the energy saving effect is not very good.Therefore, a rotating display screen is designed to solve this problem.The video below shows a rotating billboard (also known as a rotating Rubik's Cube screen). The rotating Rubik's Cube screen is made up of multiple LED display boxes, each of which can rotate 360 degrees like a Rubik's Cube column, and rotate while playing a video animation.

 

How does each LED display Rubik's Cube box achieve 360° rotation to play video without interfering with each other?The rotation principle is like this, the bottom of the Rubik's Cube box is equipped with a conductive slip ring, rotating transmission of non-winding connectors.The slip-ring is installed on the middle shaft through a hole. The electric energy, rotation control signal and video signal required for the rotation of the cube box can be transmitted to the cube box through the slip-ring. Generally, the video signal is transmitted through Ethernet.The following video is a test of a slide ring rotating transmission video signal, which can be very intuitive to understand the application principle of the slide ring in the rotating billboard.

 

With the advantages of stable transmission, no packet loss, no string code, small return loss, small insertion loss, etc., the US military coating technology, precious metal + super-hard gold plating, ultra-low BER bit error rate and ultra-high signal-to-noise ratio.The advertising screen needs real-time power supply and transmission of HD video signal when rotating 360°. At this point, combining with the CENO Gigabit Ethernet hybrid power slip ring can solve the winding problem well. The Gigabit network is responsible for real-time transmission of HD video signal when rotating 360°, and the power line is responsible for real-time power supply.It can be applied to all kinds of working conditions, safe and reliable!


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