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No color difference splicing screen, ultra-clear image quality support 24 hours continuous use!

发布时间:2021-03-04  次数:5420

The LCD splicing screen is one of the terminal display devices with full functional performance and flexible use, and is also one of the terminal display devices that are popular and widely used by users. The LCD splicing screen adopts imported devices of industrial grade and above, and all its components are screened according to 72-hour high temperature aging (capable of resisting high temperature above 70 ℃).

Tolerance: derating of components by more than 20%; Switching power supply redundancy is more than 30%; The interface circuit allows the component parameter power supply voltage to be ± 5%, and can still work reliably; The dynamic characteristics of components have large redundancy to ensure that the system can still operate reliably when the characteristics of components change.

无色差拼接屏

  Colorless mosaic screenOverview of technological requirements of:

  The communication protocol also has various fault tolerance:Support the continuous refresh of communication data, and any accidental error can be quickly corrected; The software also has various fault tolerance measures; Various fault-tolerant measures are adopted for data storage; Prompt in real time in case of program misoperation; Use reasonable judgment to propose illegal data; Hardware supports hot swapping.

  Electromagnetic compatibility:The power circuit adopts standard computer power supply and shielding measures, and power noise filter (to make switching power supply DC stabilized power supply); The power supply and circuit shall have good electromagnetic shielding, and the four-wire system of large current signal ground, small current signal ground, structure safety ground and power ground shall be separately routed, as well as analog and logical ground as far as possible;

The printed board design specifications, including strict regulations on the arrangement of components, wiring, filtering, etc., measure the noise dryness on the ground wire of each printed board with an oscilloscope, and the peak value shall not exceed 50mv; The interface circuits within the board, between the boards and between the chassis have anti-interference design; The system field wiring, signal line and AC power line (power line) shall be strictly separated; Good grounding system; In order to improve the reliability of the system, the power supply adopts the measures of derating, reserving sufficient margin, and the external interface adopts balanced current drive.

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