Cable detection device

Abstract

The invention discloses a cable detection device, which comprises an upper computer, a control module, a driving module and a cable switching device, and is characterized in that the control module is connected with the driving module, and the driving module is connected with a to-be-detected cable through the cable switching device; the control module sends gating signals to the driving module in sequence according to a detection instruction of the upper computer; and the driving module comprises a driving circuit and a plurality of switching circuits, the driving circuit sequentially sends gating signals from the control module to the switching circuits, the switching circuits are sequentially switched on according to the gating signals and feed result signals back to the control circuit through the driving circuit, and the control circuit feeds the result signals back to the upper computer. A single-chip microcomputer program control mode is adopted, an upper computer is controlled through a serial port, a relatively simple circuit mode of a relay is controlled through a decoder, and a multi-line automatic electrical detection mode is optimized.

Description

technical field [0001] The invention relates to the field of cables, in particular to a cable detection device. Background technique [0002] With the development of highly integrated circuit technology, more and more signal relations in the national defense and civilian fields are connected through dense cables or switching circuits, and the demand for automatic electrical detection of cables or circuits is also increasing. [0003] Cable (circuit) automatic electrical detection is actually an automatic "error checking" circuit, and it is necessary to judge whether there are "open circuit", "open circuit" and "wrong connection" between the terminals of the cable (circuit) to be tested. [0004] The conventional method is to input the drive signal in sequence to a certain line input port of the cable and circuit to be tested, and then detect all the output ports. Using conventional methods can undoubtedly provide detailed and comprehensive test results, but its disadvantage...

AI Technical Summary

Problems solved by technology

Using conventional methods can undoubtedly provide detailed and comprehensive test results, but its disadvantage is that after a certain line of the cable under test inputs a driving signal, it is not only necessary to check whether the output port of the line under test has received a drive signal, but also to To detect whether there is a "short circuit" or "wrong connection" relationship between the line to be tested and other lines in the cable, it is necessary to perform "traversal" query on all output ports of the cable to be tested

[0005] The conventional "traversal" automatic query method needs to occupy a large amount of digital resources and consume detection time, resulting in an increase in the cost of automatic detection and a decrease in efficiency

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