Circuit board detection system and detection method

Abstract

The invention discloses a circuit board detection system and detection method. The circuit board detection system comprises a computer, a power supply relay array circuit board, a switching quantity control panel, an analog quantity acquisition board, a video generation circuit board, a video acquisition board, an audio generation circuit board, an audio acquisition board and a communication detection circuit board. The relay array circuit board and the computer are connected with the switching quantity control panel, the analog quantity acquisition board, the video generation circuit board, the video acquisition board, the audio generation circuit board, the audio acquisition board and the communication detection circuit board. The relay array circuit board is provided with an input port and an output port. The relay array circuit board is connected with the switching quantity control panel, the analog quantity acquisition board, the video generation circuit board, the video acquisition board, the audio generation circuit board, the audio acquisition board and the communication detection circuit board through the output port. Therefore, multipath signals can be controlled and multi-item detection of the circuit board can be orderly performed so that the work efficiency and the reliability can be greatly enhanced and the detection time can be saved.

Description

technical field [0001] The invention relates to the technology in the field of circuit board detection, in particular to a circuit board detection system and a detection method. Background technique [0002] With the development of electronic technology, the functions of electronic devices are becoming more and more powerful, and the integration degree of circuit boards is also becoming higher and higher. When abnormality occurs in these highly integrated circuit boards, such as a short circuit or an open circuit, a technician is generally required to perform manual investigation in order to determine the location of the abnormality. At present, the detection methods used in the market mainly include the following: observation method, measurement method, tracking method, replacement method, comparison method and computer automatic detection and other detection methods. Among the current detection methods, the method of computer automatic detection has become a trend, such a...

AI Technical Summary

Problems solved by technology

In the current detection method, the method of computer automatic detection has become a trend, such as the practical patent "A device for automatic detection of circuit board" with the announcement number CN201986083U. In this patent, the input and output controller controls the signal On and off, but the controller can only control one signal, low work efficiency, poor reliability and long detection time

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