CN102169151A - Cable network parallel test method - Google Patents

Abstract

The invention discloses a cable network parallel test method. The cable network parallel test method comprises the following steps of: connecting a test head and a core of a cable network; 2, configuring a conducting sequence of a switch matrix and a test mode of a digital IO, and presetting an on/off relation of a tested object; 3, switching and measuring the core 1 of the port 1 and the cores from 1 to m of the other (N-1) ports in parallel, and measuring (N-1) on/off relations at each time; 4, switching the core 1 of the port 1 to the core 2, and repeating the measurement in the step 3 until the core 1 of the port 1 is switched to the core m of the port 1; 5, repeating the step 3 and the step 4, and measuring the on/off relation from the port 2 and the port 3 to the port N until the on/off relation between the port (N-1) to the port N is measured; and 6, analyzing a measurement result and a standard relation, and determining a faulted point. (N-1) groups of channel parallel digital IO and (N-1) groups of channel matrix switch modules are matched, so parallel on/off detection of a complicated cable network having N ports and m cores is realized.

Description

The cable system parallel test method

Technical field

This method belongs to the universal test field, particularly a kind of rapid detection system at complicated cable system.

Background technology

In cable system on off test process, because some complicated cable system has a plurality of ports, each port core is non-mostly corresponding one by one.Want the conducting situation of per two the port cores of perfect measurement, test point is various, and workload is very huge.The complicated cable system testing time of multiterminal can reach hundreds of thousands, and so many test points manual mode can't be measured at all." the universal cordage detection platform of guided missile land cable net " introduced and a kind ofly powered up to the related port core one by one, and judges the equipment of break-make or insulation.Based on the cable system parallel measuring system, having proposed a kind of method for rapidly testing does not still have document at present and relates to this type of method of testing.

Summary of the invention

The purpose of this invention is to provide a kind of cable system parallel test method,

This cable system parallel test method may further comprise the steps:

The first step: measuring head is linked to each other with the core of cable system;

Second step: the conducting order of deploy switch matrix and the test mode of Digital I, the break-make relation of default measurand;

The 3rd step: with the core 1 of port one and core 1 to the core m parallel switch handover measurement of other N-1 port, each measuring N-1 conducting relation;

The 4th step: port switching 1 core 1 repeats the 3rd pacing amount, until the core m that switches to port one to core 2;

The 5th step: repeated for the 3rd step, the break-make relation of the 4th pacing amount port 2 and port 3 to port N, concern until the break-make that measures between port N-1 and the port N;

The 6th step: analysis to measure result and standard relationship, interpretation trouble spot.

Beneficial effect of the present invention:

Owing to select for use the passage control of matrix switch to have alternative, can finish each switch and switch.It is mistake that the complicated cable system of measuring a N port m core needs the switch switching times! Do not find Reference source.But, measure 12 groups of data through experiment Digital I parallel processor per second, adopting the Digital I Measuring Time is mistake! Do not find Reference source.The s native system adopts N-1 group channel parallel Digital I and N-1 group access matrix switch module to cooperate, and realization detects the parallel break-make of the complicated cable system of N port m core.The break-make that this cable system need be measured concerns that number of times is a mistake! Do not find Reference source.。

Embodiment

The cable system of one 20 port 31 cores is measured its conducting relation.Its break-make number of times that need measure is 164331 times.

The wiring adapter is drawn 19 31 core interfaces, and digital I adopts 19 road parallel measurement passages.Its measuring process is as follows:

Step 1: the core 1 of port one and the core 1 of other 19 ports are arrived core 31 parallel switch handover measurements.Can measure 19 conducting relations at every turn.

Step 2: port switching 1 core 1 is to core 2, through the same measuring process, until the core 31 that switches to port one.

Step 3: the method measurement port 2 of the same two steps and the break-make relation of port 3 to port 20, until the break-make relation that measures between port one 9 and the port 20.

It is 18259 times that the complicated cable system of one 20 port 31 cores of process calculated amount needs the switch switching times.By the experimental measurement time be 25 minutes.

Claims (1)

1. cable system parallel test method is characterized in that: may further comprise the steps:

The first step: measuring head is linked to each other with the core of cable system;

Second step: the conducting order of deploy switch matrix and the test mode of Digital I, the break-make relation of default measurand;

The 3rd step: with the core 1 of port one and core 1 to the core m parallel switch handover measurement of other N-1 port, each measuring N-1 conducting relation;

The 4th step: port switching 1 core 1 repeats the 3rd pacing amount, until the core m that switches to port one to core 2;

The 5th step: repeated for the 3rd step, the break-make relation of the 4th pacing amount port 2 and port 3 to port N, concern until the break-make that measures between port N-1 and the port N;

The 6th step: analysis to measure result and standard relationship, interpretation trouble spot.