CN101241162B - Cable tester - Google Patents

Cable tester Download PDF

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Publication number
CN101241162B
CN101241162B CN2007100173848A CN200710017384A CN101241162B CN 101241162 B CN101241162 B CN 101241162B CN 2007100173848 A CN2007100173848 A CN 2007100173848A CN 200710017384 A CN200710017384 A CN 200710017384A CN 101241162 B CN101241162 B CN 101241162B
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CN
China
Prior art keywords
mechanical arm
slide rail
slide block
controller
cable tester
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN2007100173848A
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Chinese (zh)
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CN101241162A (en
Inventor
程俊
党顺利
强劲
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Xi'an Hangli Aerospace Electric Power Technology Development Co Ltd
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Xi'an Hangli Aerospace Electric Power Technology Development Co Ltd
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Application filed by Xi'an Hangli Aerospace Electric Power Technology Development Co Ltd filed Critical Xi'an Hangli Aerospace Electric Power Technology Development Co Ltd
Priority to CN2007100173848A priority Critical patent/CN101241162B/en
Publication of CN101241162A publication Critical patent/CN101241162A/en
Application granted granted Critical
Publication of CN101241162B publication Critical patent/CN101241162B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention provides a device to detecting cable which comprises of controller, man-machine interface of I/O interface of controller and measuring module, also comprises of driver of I/O interface of controller, manipulator connected with driver, and measuring probe connected with manipulator. Controller and measuring module communicate with measuring probe by switch, and manipulator is 3-DOF manipulator. The problems that efficient of manual testing in background techniques is low, precision is bad, and cost is high because of testing system is used in a few testing are resolved. The present invention is used for detecting cable device or device connected with cable in process of research, produce, detection, usage and maintains, especially for detecting cable with different capability and specification in laboratory.

Description

Cable tester
Technical field
The present invention relates to a kind of checkout equipment of detection streamer, can be used for developing, produce, check, cable or have the detection of the equipment of cable connection in the use, maintenance process, be particularly useful for that the cable to different performance, different size detects in the laboratory.
Background technology
Cable is the important carrier that electromechanical equipment carries out signal transmission or power transfer, and the power supply between the system equipment, signal, control, communications all will be finished by cable.The reliability that cable connects directly has influence on the serviceability rate of equipment.Therefore in the development of electronic product, production, check, use, maintenance process, all need cable is detected.
The operational ton of wireline test is huge, generally needs heart yearn and the measurement parameter that every heart yearn of the cable other end is communicated with successively of test cable one end, detects number of times and is generally: N=n (n-1)/2, and wherein N is for checking number of times, n is that the detection of wire harness is counted.For example: 36 core cables, n=36 detects times N and is generally 630 times.
The classic method of wireline test mainly is the manual testing, adopts instruments such as avometer, hummer, and two people cooperate, and artificial pointwise is tested, and is applicable to the wireline test that kind is few, the core number is less.For test in enormous quantities, polycore cable, not only testing efficiency is low, and influenced by human factor, causes easily that conducting contact is unreliable, test leakage etc., poor accuracy.
The formation of existing polycore cable test macro by transit cable 9 and adaptive socket 10, can be carried out thermometrically to tie cable between different systems, subsystem, the unit or the passive electric performance that has the equipment of cable as shown in Figure 1.Concrete grammar is: plug 4 is passed through to insert in tested cable 6 two ends, 5 are connected with adaptive socket 10, by man-machine interface 1 input controlled variable, controller 2 starts measurement module 3, make measurement module 3 be in conducting, impedance, insulation waits one of measurement state, controller 2 is by demoder 7, switch matrix 8 and transit cable 9 that driver and relay constitute, pumping signal is delivered to the access plug 4 of tested cable 6 through adaptive socket 10,5, switch matrix 8 is successively with the input end conducting of the every heart yearn and the measurement module 3 of tested cable 6, test result is sent controller 2 and man-machine interface 1 back to, controller 2 is analyzed, judge the conducting of tested cable 6, measurement parameter such as impedance or insulation, the break-make road that can find heart yearn, the overlap joint short circuit, distribution mistake etc.The shortcoming that existing polycore cable test macro exists is: the polycore cable of different performance, different size, need to adopt different special-purpose adaptive sockets 10, and be only applicable to cable batch process of less types or keep in repair occasion in batches.
In most laboratory and maintenance sites, often need the polycore cable of multiple different size be detected, a kind of cable under test of specification may have only one sometimes.Adopt manual test, carry out above troublesome operation hundreds of times, time-consuming, effort, and poor accuracy.Adopt existing polycore cable test macro, must make corresponding transit cable and adaptive socket, cost is higher.In addition, existing test macro is that the High-Voltage Insulation test of adopting switch matrix 8 to finish each root heart yearn is switched, each relay need keep certain safe distance when wiring, relay quantity in the switch matrix 8 is directly proportional with tested cable core number, when relay quantity more for a long time, the volume of test macro can be very huge.
Summary of the invention
The object of the present invention is to provide a kind of cable tester, it has solved low, the poor accuracy of manual testing's efficient in the background technology, and test macro is used for the high technical matters of a small amount of testing cost.
Technical solution of the present invention:
A kind of cable tester comprises
Controller 2,
The man-machine interface 1 and the measurement module 3 of the I/O end of controller 2,
It is characterized in that: it also comprises
Be connected to the driver 11 of the I/O end of described controller 2,
First mechanical arm 13 that is connected with driver 11 and second mechanical arm 14,
First chaining pin 15, second chaining pin 16 that is connected with first mechanical arm 13, second mechanical arm 14 respectively,
Described controller 2 and measurement module 3 are connected with first chaining pin 15, second chaining pin 16 by change-over switch 12;
Described first mechanical arm 13 and second mechanical arm 14 are three freedom degree manipulator.
Above-mentioned first mechanical arm 13 or second mechanical arm 14 comprise, is arranged at Y on slide rail 401 and the one dimension travel mechanism of the three freedom degree manipulator that constitutes to slide block 402 of the Y that is slidingly matched with it; And be arranged at X on slide rail 301 and the two-dimentional travel mechanism of the three freedom degree manipulator that constitutes to slide block 302 of the X that is slidingly matched with it; Wherein X is fixed in Y to the described X of transfer arm 30 on slide rail 402 to slide rail 301, and the two dimensional motion detent mechanism of described three freedom degree manipulator is rectangular coordinate structure or doublejointed polar coordinates structure.
Above-mentioned three freedom degree manipulator is made of to transfer arm 20 to transfer arm 40 and Z to transfer arm 30, Y X; Described Y to transfer arm 40 by Y to slide rail 401 and be arranged at Y on slide rail 401 and the Y that is slidingly matched with it constitute to slide block 402; Described X is fixed in Y to the X of transfer arm 30 on slide block 402 to slide rail 301, and described X is provided with the X that is slidingly matched with it to slide block 302 to slide rail 301.
Above-mentioned driver 11 is stepper motor, speed reduction unit, or is made of to straight-line motion mechanism 204 stepper motor and Z;
Above-mentioned Z comprises to transfer arm 20 and is fixed in the Z of X on slide block 302 to slide rail 201, and described Z is provided with the Z that is slidingly matched with it to slide block 202 to slide rail 201.
Above-mentioned Z comprises to transfer arm 20 and is fixed in the Z of X on slide block 302 to straight-line motion mechanism 204 that this Z is electromagnet or pneumatic mechanism to straight-line motion mechanism 204.
Above-mentioned measurement module 3 comprises one of resistance measuring module, insulation measurement module, voltage measurement module or its combination of two to three kinds.
Above-mentioned controller 2 is PC or single-chip microcomputer; Band-type brake clamping device or clamp clamping device that described stationary fixture 17 is motor or manual drives;
First above-mentioned mechanical arm 13 and second mechanical arm, 14 front ends are respectively arranged with the pick-up unit 18 that detects first chaining pin 15 and second chaining pin, 16 positions; Described pick-up unit 18 can adopt photoelectric sensor or Hall unit sensor.
First above-mentioned mechanical arm 13 and second mechanical arm, 14 front ends are respectively arranged with the CCD camera that is connected with controller 2.
The present invention compared with prior art has following advantage:
1. versatility is good.Test macro does not need transit cable and adaptive socket, but the test of different size polycore cable.
2. volume is little.Need not the switch matrix that decoding circuit and relay constitute, electric wiring is simple in structure, and the test macro overall volume is less.
3. use cost is low.Need not to make special-purpose transit cable and adaptive socket, so use cost is lower at the cable of different size.
4. accuracy is good, the reliability height.The connection of wireline test is finished automatically by equipment, has eliminated the human factor influence, and connection and conducting contact are reliable, and therefore, accuracy, reliability are all better.
5. efficient height.The test of electric property parameters such as the conducting resistance of wireline test, insulation resistance all is to finish automatically, saves time, laborsaving the efficient height.
Description of drawings
Fig. 1 is the structure principle chart of background technology of the present invention.
Fig. 2 is a structure principle chart of the present invention.
Fig. 3 is the structural representation of mechanical arm of the present invention.
Fig. 4 is the structural representation of mechanical arm Z of the present invention to transfer arm.
Accompanying drawing drawing explanation: 1-man-machine interface, 2-controller, 3-measurement module, 4-plug, the 5-plug, the tested cable of 6-, 7-demoder, 8-switch matrix, the 9-transit cable, the adaptive socket of 10-, 11-driver, 12-change-over switch, 13-first mechanical arm, 14-second mechanical arm, 15-first chaining pin, 16-second chaining pin, 17-, stationary fixture, the 18-pick-up unit, the 19-jack, 20-Z is to transfer arm, 201-Z is to slide rail, and 202-Z is to slide block, 203-Z arm driver, 204-Z is to straight-line motion mechanism, and 30-X is to transfer arm, and 301-X is to slide rail, 302-X is to slide block, 303-X arm driver, and 40-Y is to transfer arm, 401-Y is to slide rail, and 402-Y is to slide block, 403-Y arm driver.
Embodiment
Referring to Fig. 2, stationary fixture 17 is used to grip the plug 4,5 at tested cable 6 two ends, can be to contents such as controller 2 input test projects, socket model, the jack physical location data storehouse of building up various plugs in controller 2 in advance by man-machine interface 1.Measurement module 3 links by change-over switch 12 and first mechanical arm 13, second mechanical arm 14.Comprise resistance measuring module, insulation measurement module, voltage measurement module or the like as the measurement module 3-.Measurement module 3 specifically can adopt known measurement module.
The driver 11 of controller 2 control mechanical arms drives first mechanical arm 13, makes first chaining pin 15 make three-degree-of-freedom motion, the imitation staff with first chaining pin 15 successively with the plug 4 of tested cable 6 on each is communicated with jack 19 connections.
The driver 11 of controller 2 control mechanical arms drives second mechanical arm 14, makes second chaining pin 16 make three-degree-of-freedom motion, the imitation staff with second chaining pin 16 successively with the plug 5 of tested cable 6 on each is communicated with jack 19 connections.
First chaining pin 15, second chaining pin 16 are with tested cable 6 every heart yearn UNICOMs, send controller 2 and man-machine interface 1 back to through change-over switch 12 and measurement module 3, the measurement parameters such as conducting, impedance or insulation of tested cable 6 are analyzed, judged to controller 2, can find break-make road, overlap joint short circuit, the distribution mistake etc. of heart yearn, finish the detection of tested cable 6 heart yearns.
First mechanical arm 13 and second mechanical arm 14 can adopt three freedom degree manipulator, and three freedom degree manipulator specifically can adopt commercially available, but also specialized designs.Three freedom degree manipulator is finished the two dimensional motion location of first chaining pin 15,16 pairs of plug-sockets 19 of second chaining pin can adopt the rectangular coordinate structure, also can adopt doublejointed polar coordinates structure, can carry out pre-determined bit before test or in the test and return zero the detection.
First mechanical arm 13 is identical with the structural principle of second mechanical arm 14, is that example is described as follows with first mechanical arm 13:
Referring to Fig. 3, first mechanical arm 13 is made of to transfer arm 20 to transfer arm 40 and Z to transfer arm 30, Y X.
Y to transfer arm 40 by Y to slide rail 401 and be arranged at Y on slide rail 401 and the Y that is slidingly matched with it constitute to slide block 402.
X is fixed in Y to the X of transfer arm 30 on slide block 402 to slide rail 301, and X is provided with the X that is slidingly matched with it to slide block 302 to slide rail 301.
Z is fixed in X to the Z of transfer arm 20 on slide block 302 to slide rail 201, and Z is provided with the Z that is slidingly matched with it to slide block 202 to slide rail 201.
Y can be arranged on the pedestal to transfer arm 40 and stationary fixture 17.
Under the driving of Y arm driver 403, Y can move along the Y direction on slide rail 401 at Y to slide block 402, and promptly Y can move as one dimension along the Y direction to slide block 402.
Under the driving of X arm driver 303, X can move along the Y direction to slide block 402 with Y to slide rail 301, and then X can move along the Y direction to slide rail 301 with X to slide block 302; X also can move to slide rail 301 upper edge directions Xs at X to slide block 302.So X can do two-dimentional moving along Y direction and directions X to slide block 302.
Under the driving of Z arm driver 203, Z can do two-dimentional moving to slide block 302 along Y direction and directions X with X to slide rail 201, and then Z can do two-dimentional moving to slide rail 201 along Y direction and directions X with Z to slide block 202; Z also can move to slide rail 201 upper edge Z directions at Z to slide block 202, so Z can do three-dimensional moving along Y direction, directions X and Z direction to slide block 202.The detection of tested cable 6 heart yearns is finished in Y arm driver 403, X arm driver 303 and the 203 three-dimensional coordinated actions of Z arm driver.
First chaining pin 15 is arranged at Z on slide block 202.Each that makes first chaining pin 15 and plug 4 is communicated with jack 19 to be connected, can manually-operated before system works, earlier certain of first chaining pin 15 and plug 4 is communicated with jack 19 connections; Also can on plug 4, set in advance a motion reference reference point, first chaining pin 15 is aimed at reference point, drive first mechanical arm 13 by controller 2 Control Driver 11 again, automatically first chaining pin 15 be connected with the jack 19 that is communicated with of plug 4; Also can graphical information be sent to controller 2, go out the coordinate figure that plug 4 reference points or plug 4 is communicated with jacks 19, automatically first chaining pin 15 and plug 4 be communicated with jack 19 connections by the image processing software Real time identification in the controller 2 by the CCD camera.
Be respectively arranged with at the front end of first mechanical arm 13, second mechanical arm 14 and detect the pick-up unit 18 that first chaining pin 15, second chaining pin, 16 places stretch out or withdraw, to prevent misoperation.
Controller 2 of the present invention can adopt PC, single-chip microcomputer etc.; The driver 11 of mechanical arm is by Z arm driver 203, X arm driver 303, and Y arm driver 403 constitutes, and can all adopt stepper motor or speed reduction unit, also can adopt motor and straight-line electromagnet or straight-line pneumatic mechanism formation; Change-over switch 12 can adopt one group of midget relay to constitute; Stationary fixture 17 can adopt clamping devices such as the band-type brake, clamp of motor or manual drives; Pick-up unit 18 can adopt photoelectric sensor or Hall unit sensor.
Referring to Fig. 4, the Z that first chaining pin 15 is set to transfer arm 20 can adopt one along Z to straight-line motion mechanism 204, for example straight-line electromagnet or straight-line pneumatic mechanism, this electromagnet or pneumatic mechanism are arranged at X on slide block 302.

Claims (10)

1. a cable tester comprises
Controller (2),
The man-machine interface (1) and the measurement module (3) of the I/O end of controller (2),
It is characterized in that: it also comprises
Be connected to the driver (11) of the I/O end of described controller (2),
First mechanical arm (13) that is connected with driver (11) and second mechanical arm (14),
First chaining pin (15) that is connected with first mechanical arm (13), second mechanical arm (14), second chaining pin (16) respectively,
Described controller (2) and measurement module (3) are connected with first chaining pin (15), second chaining pin (16) by change-over switch (12);
Described first mechanical arm (13) and second mechanical arm (14) are three freedom degree manipulator.
2. cable tester according to claim 1, it is characterized in that: described first mechanical arm (13) or second mechanical arm (14) comprise, are arranged at Y to the one dimension travel mechanism of the last Y that also is slidingly matched with it of slide rail (401) to the three freedom degree manipulator of slide block (402) formation; And be arranged at X to the two-dimentional travel mechanism of the last X that also is slidingly matched with it of slide rail (301) to the three freedom degree manipulator of slide block (302) formation; Wherein X is fixed in Y to the described X of transfer arm (30) on slide rail (402) to slide rail (301), and the two dimensional motion detent mechanism of described three freedom degree manipulator is rectangular coordinate structure or doublejointed polar coordinates structure.
3. cable tester according to claim 1 and 2 is characterized in that: described three freedom degree manipulator is made of to transfer arm (20) to transfer arm (40) and Z to transfer arm (30), Y X; Described Y to transfer arm (40) by Y to slide rail (401) and be arranged at Y and go up and the Y that is slidingly matched with it constitutes to slide block (402) to slide rail (401); Described X is fixed in Y to the X of transfer arm (30) on slide block (402) to slide rail (301), and described X is provided with the X that is slidingly matched with it to slide block (302) to slide rail (301).
4. cable tester according to claim 3 is characterized in that: described driver (11) is stepper motor or speed reduction unit, or is made of to straight-line motion mechanism (204) stepper motor and Z;
5. cable tester according to claim 4 is characterized in that: described Z comprises to transfer arm (20) and is fixed in the Z of X on slide block (302) to slide rail (201), and described Z is provided with the Z that is slidingly matched with it to slide block (202) to slide rail (201).
6. cable tester according to claim 4 is characterized in that: described Z comprises to transfer arm (20) and is fixed in the Z of X on slide block (302) to straight-line motion mechanism (204) that this Z is electromagnet or pneumatic mechanism to straight-line motion mechanism (204).
7. cable tester according to claim 4 is characterized in that: described measurement module (3) comprises one of resistance measuring module, insulation measurement module, voltage measurement module or its combination of two to three kinds.
8. cable tester according to claim 7 is characterized in that: described controller (2) is PC or single-chip microcomputer.
9. cable tester according to claim 8 is characterized in that: described first mechanical arm (13) and second mechanical arm (14) front end are respectively arranged with the pick-up unit (18) that detects first chaining pin (15) and second chaining pin (16) position; Described pick-up unit (18) adopts photoelectric sensor or Hall unit sensor.
10. cable tester according to claim 9 is characterized in that: described first mechanical arm (13) and second mechanical arm (14) front end are respectively arranged with the CCD camera that is connected with controller (2).
CN2007100173848A 2007-02-08 2007-02-08 Cable tester Expired - Fee Related CN101241162B (en)

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Application Number Priority Date Filing Date Title
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CN101241162B true CN101241162B (en) 2010-06-16

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