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On-line detection and fault display method of LED

A fault display and fault technology, which is applied in the field of LED online detection and fault display, can solve the problems of low efficiency, low accuracy, and stoppage

Active Publication Date: 2010-08-18
江苏新讯网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, subject to various factors of technical strength, the current fault judgment is mostly focused on visual observation and empirical judgment, and the detection methods also stay in off-line detection methods such as multimeters and oscilloscopes. The efficiency is low, the effect is poor, the detection methods are backward, and the accuracy is not high. Low level of intelligence

Method used

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  • On-line detection and fault display method of LED
  • On-line detection and fault display method of LED
  • On-line detection and fault display method of LED

Examples

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Effect test

Embodiment 1

[0021] Such as figure 1 As shown, this embodiment provides an LED online detection and fault display method. First, a detection signal is sent to the set detection module. The detection signal is a signal to start the online detection. The signal can be a wired electrical signal. Transmission through lines; or, the signal can also be a wireless signal, through wireless transmission, for example, send a remote control signal through a remote controller, thereby starting the online detection module to detect each unit of the display terminal; The signal starts the inspection of the display terminal, and the detection is very convenient.

[0022] For example, when it is necessary to detect whether the storage of the display terminal is faulty, the online detection function can be started, or, when it is found that the storage of the display terminal is abnormal, the online detection function can be started, and the online detection can be confirmed. Displays whether the terminal...

Embodiment 2

[0040] Such as figure 2 As shown, on the basis of the above examples, in the LED online detection and fault display method provided by this embodiment, before detecting the electrical connection status and signal connection status of each component of the display terminal, the display terminal is also stored structure data.

[0041] For example, the structural data includes the units that make up the display terminal, such as the interconnection position data of each control chip, each driver chip, and each LED, the circuit connection structure data between each unit, and the signal line between each unit Connection structure data, wherein the signal connection structure includes the cascade control signal connection structure between the control chips, the electrical signal connection structure between the control chip and each driver chip, and the electrical signal connection between each driver chip and each LED structure.

[0042] Moreover, when the judging module judge...

Embodiment 3

[0044] Such as figure 2 As shown, on the basis of the above examples, in the LED online detection and fault display method provided by this embodiment, after storing the structural data of the display terminal, the parameter data of each LED of the display terminal is also stored, wherein , the parameter data includes the wavelength and brightness of each LED.

[0045] By storing data such as the wavelength and brightness of each LED, the target parameter data of each LED during display can be known, and by combining the actual display parameter data of each LED that can be detected by the detection module, that is, the actual display parameter data and When there is a difference in the target parameter data comparison, it can be judged that the LED is faulty, wherein the LED fault belongs to a specific type of display unit fault, for example, the control signal input by each LED has data loss, signal distortion and other faults; therefore, When the circuit connection and si...

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Abstract

The invention discloses an on-line detection and fault display method of an LED, which comprises the following steps: a) sending a detection signal; b) receiving the detection signal, and detecting the electrical connection state of all parts of a display terminal and the signal connection state, wherein the parts comprise a driving unit, a control unit and a display unit; c) generating fault data according to the detection result, wherein faults comprise the circuit faults, the signal faults, the faults of the driving unit, the faults of the control unit and the faults of the display unit; d) judging fault positions and fault types according to the fault data; e) outputting fault state; and f) displaying the fault state. The method can realize precise data detection, accurate judgment, send the detection signal according to demands and quickly find and display the faults.

Description

technical field [0001] The invention relates to a fault detection method of an illuminating device, in particular to an LED online detection and fault display method. Background technique [0002] With the development of LED display technology, LED display applications and LED lighting applications have become more and more widely used in various lighting applications due to their low energy consumption, strong color reproduction, long life, huge size, and unique shapes. In these applications, fault detection technology is increasingly showing its importance. Especially for LED display applications in major occasions, due to the importance of activities, the requirements for judgment and maintenance of LED display failures are also higher. [0003] In the current LED display application, although the majority of users have realized the significance of LED display fault detection technology, major manufacturers at home and abroad have also carried out research and developmen...

Claims

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Application Information

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IPC IPC(8): G01R31/26
Inventor 商松
Owner 江苏新讯网络科技有限公司
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