A control chip for online detection

Abstract

The invention discloses a control chip for online detection, which includes a detection unit, a feedback unit, a control unit and a storage unit; the detection unit is used to detect the voltage state, signal communication state, and working temperature of the control chip, and generate corresponding The voltage data, signal communication number, and temperature data are sent to the feedback unit; the feedback unit correspondingly generates chip state data including power supply state data, communication state data, and temperature state data according to each data, and feeds back and outputs it in real time; The storage unit is used to store and update the chip state data according to predetermined conditions; the control unit is used to input control signals to control the external LEDs. The present invention can detect the voltage state, communication state, and temperature state of its interior and each LED connected to it on-line in real time, and feed back and output each state data, thereby facilitating real-time monitoring of the control chip and each LED controlled by it. status of use.

Description

Technical field [0001] The invention relates to the control technology of a lighting device, in particular to a control chip for online detection. Background technique [0002] With the holding of large-scale events such as the World Expo and the Asian Games in my country, it has provided a good display platform for the Chinese LED industry. LED displays have played a more important role in large-scale events and important occasions. Therefore, LEDs in large-scale events and important places The reliability and stability of display applications are extremely important. [0003] In the prior art, to form a large LED display screen, a large number of control chips are often used. Each control chip controls each LED connected to it, because each control chip is generally cascaded in series. Therefore, when one or more control chips fail, or the LED connected to it fails, other cascaded control chips may be affected, seriously making the LED display screen unable to work normally. In ...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, a large number of control chips are often required to form a large LED display screen, and each control chip plays a role in controlling the LEDs connected to it. Since the control chips are generally cascaded in series , therefore, when one or more control chips break down, or the LED connected to it breaks down, other control chips in cascaded connection may be affected, seriously, making the LED display screen unable to work normally, However, in a large number of control chips and a large number of LEDs, it often requires a very large workload to find out the faulty chip or LED and the cause of the fault.

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