Led screen light spot fault detection device and method

Abstract

The embodiment of the present invention provides a device and method for LED screen light point fault detection, the device includes: a light point control module, used to control each light point included in the LED screen in a predetermined order and their corresponding The light-emitting rules send out light wave signals in sequence, and the light-emitting rules are compiled according to the light-emitting mode of each light point of the LED screen and the unique identification code corresponding to each light point; the signal receiving and processing module is used to receive the light wave signal sent by each light point , to decode the light wave signal to obtain an effective identity restoration code; the fault point determination module checks the duplicates in the standard database according to the effective identity restoration code, and will not be able to find the valid identity restoration code corresponding to the overlapping identity identification code in the standard database The corresponding light point is determined as a faulty light point; the fault information generation module is used to send fault information according to the faulty light point and its corresponding identification code. This embodiment can accurately and efficiently detect lamp failures.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of LED screen maintenance, and in particular to a device and method for detecting lamp point faults of an LED screen. Background technique [0002] Existing LED screens usually need real-time monitoring of the working status of the light points they contain, and generate fault information in time when a light point fails, and maintain it in time. The traditional LED screen light point fault detection method is to judge by detecting the current and voltage of each light point. First, it is necessary to connect a sampling resistor to each light point, and then manually detect the voltage and current of the sampling resistor, and finally convert to get The voltage and current corresponding to the light point. However, the above method needs to manually detect the circuit, and the circuit cannot actively report the abnormality. The detection process is relatively troublesome, which is n...

AI Technical Summary

Problems solved by technology

The traditional LED screen light point fault detection method is to judge by detecting the current and voltage of each light point. First, it is necessary to connect a sampling resistor to each light point, and then manually detect the voltage and current of the sampling resistor, and finally convert to get The voltage and current corresponding to the light point. However, the above method needs to manually detect the circuit, and the circuit cannot actively report the abnormality. The detection process is relatively troublesome, which is not conducive to the maintenance of the LED screen.

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