How to build the steel structure of outdoor LED display?
This is a skill that an LED display practitioner must master. Whether indoors or outdoors LED display needs a steel structure, then how to build the steel structure for outdoor LED display? ok let’s start answering the question.
First of all, you have to confirm your installation method according to your installation site.
At present, the main installation methods are wall installation, double column installation, single column installation, hoisting, etc. Then we need to customize a steel structure drawing, then purchase the steel structure and install, and finally install the LED display, and debugging. In the following, I would show you more information.
1, Fixed beam channel and angle iron
(1) Intercept 6.3 channel and 50×50 angle iron according to design requirements, drill holes on one side of the angle iron with an electric drill, then use tap to expand into M8 screw holes, and drill M8 light holes at the connection of channel and angle iron.
(2) Connect the intercepted channel and angle iron. First, the channel iron reverse buckle on the plane, the number of its every two boxes in the middle put a channel iron. Then put two angles on top, the width of the angles before and after the placement of the angles is the width of one box. And connected with M8 screw.
(3) The remaining 3 sides are processed as described above.
2, Assemble the frame
(1) Take two channels and place them on the outer frame which has been welded and put the channels and angle rows assembled in the first step on top, leaving a certain distance on both sides.
(2) Weld the channel steel on the outer frame, and then weld the row on the channel steel.
(3) The remaining three sides are welded in the same way as the above two steps, finally forming a frame that meets the standard size.
3, Installation of LED cabinet
After the structure is installed, the LED display cabinet will be installed from the middle of the bottom layer, and the adjacent cabinet will be fixed with special cross-connection pieces, and the X, Y, and Z directions of the whole display will be automatically aligned after fixing.
4, Installation of horizontal and vertical belt
(1) First, connect the two ends of the vertical belt with angles and fix them with M8 bolts.
(2) Put the vertical belt on the bottom row of channel steel, fixed with 1M long bolts in the middle and welded on the channel steel at both ends.
(3) Under the condition that the strength requirement is satisfied, weld a horizontal belt at the appropriate position according to the maintenance requirement.
5, Connect the signal cable and power cable
6, Install the system:
(For sync control), install the computer and controller box, and install the software needed to control the big screen.
7, Debugging
According to the actual situation of the LED display, adjust the position of the steel structure.
8, Check that the power is on, start the test software
(1) with a cross line to go full screen, check the uncontrolled points and connection points.
(2) respectively with the horizontal line, vertical line, diagonal line test.
(3) full-screen light, check the blind spot, the lack of color points.
(4) for the color test, check the gray level.
9. Connect the Video Controller to your LED Display with CAT5e or CAT6 cable.
10. check whether the switching power supply short circuit
A, using a digital multimeter resistance (200Ω) to measure the switching power supply output resistance value between positive and negative poles, the resistance value range between 30 ~ 40Ω.
B, unplug the switch power supply and unit board between the power plug, switch power supply plus 220V voltage, measuring its voltage value of +5V ± 0.2V.
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