The maintenance methods of LED display screens are mainly divided into pre-maintenance and post-maintenance. Post-maintenance is applied to large-scale LED displays on building exterior walls. However, maintenance channels must be designed so that maintenance personnel can maintain and overhaul from the back of the screen. The overall technical requirements are high, and installation and disassembly are cumbersome, time-consuming and labor-intensive.
With the popularization of LED display screens, pre-maintained indoor LED display products occupy a dominant position in the market. The indoor LED display for front maintenance is fixed by magnetic adsorption between the magnetic element and the LED display box. During operation, the suction cup directly contacts the surface of the box for front maintenance, so that the module structure of the LED screen is removed from the box. , to achieve frontal maintenance of the screen body. This front maintenance method can make the overall structure of the display screen thinner and lighter, which is convenient for later maintenance.
Compared with post-maintenance, the advantages of front-maintenance LED screens are mainly to save space, realize greater utilization of environmental space, and reduce the difficulty of post-maintenance work. The front maintenance method does not need to reserve a maintenance channel, supports independent front maintenance, and saves the maintenance space on the back of the display. It does not need to disassemble the wire, supports quick maintenance work, and disassembly is simpler and more convenient. The module structure in which screws need to be disassembled is required for frontal maintenance and later maintenance. In case of a single point of failure, only one person needs to disassemble and maintain a single LED or pixel. The maintenance efficiency is high and the cost is low. However, due to the high-density characteristics of the room, the structure of this type of room-entry product has higher requirements on the heat dissipation of the box, otherwise the display is prone to partial failure.
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