CN203673003U - Multi-core cable automatic tester - Google Patents
Multi-core cable automatic tester Download PDFInfo
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- CN203673003U CN203673003U CN201320756602.0U CN201320756602U CN203673003U CN 203673003 U CN203673003 U CN 203673003U CN 201320756602 U CN201320756602 U CN 201320756602U CN 203673003 U CN203673003 U CN 203673003U
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- 238000012360 testing method Methods 0.000 claims abstract description 53
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 4
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a multi-core cable automatic tester, comprising a first cable joint and a second cable joint. An A end of a tested multi-core cable is connected with an input end of a master control circuit through the first cable joint. A B end of the tested multi-core cable is connected with another input end of the master control circuit through the second cable joint. The number of cable cores of the A end of the tested multi-core cable is displayed by a first nixie tube connected with an output end of the master control circuit. The number of cable cores of the B end of the tested multi-core cable is displayed by a second nixie tube connected with another output end of the master control circuit. The master control circuit detects breakover of the A end and the B end of the tested multi-core cable. A switching power supply supplies power for the master control circuit, and the master control circuit is also connected with a buzzer used for detection prompt. The tester can realize automatic measurement of breakover of the multi-core cable, ensuring accuracy of test results, improving working efficiency, and the tester can be widely used for cable detection in various instruments and control equipment.
Description
Technical field
The utility model relates to a kind of testing lines instrument, particularly about a kind of multi-core cable auto testing instrument for detection of cable in each quasi-instrument and opertaing device.
Background technology
In each quasi-instrument and opertaing device, communication cable and control cable are used in a large number.Whether whether conducting is good for cable, insulate and directly have influence on the normal operation of equipment between line.The basic demand that multi-core cable is qualified is: the pin of two-port one by one corresponding welding is intact.In using and producing, the normal problem occurring has heart yearn to open circuit, short circuits between conductors and heart yearn dislocation welding.At present, the line inspection is normally carried out with manual mode, and workload is large, and efficiency is low.Therefore, development multi-core cable tester, just seems particularly important to improving line inspection accuracy and efficiency.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of multi-core cable auto testing instrument, is applicable to cable one to one, can realize the automatic measurement of multi-core cable break-make, ensures the accuracy of test result, and then increases work efficiency.
For achieving the above object, the utility model is taked following technical scheme: a kind of multi-core cable auto testing instrument, is characterized in that: it comprises the first and second two cable connectors, a governor circuit, the first and second two charactrons, a Switching Power Supply and hummers; The A end of tested multi-core cable connects an input end of described governor circuit through cable connector described in first, the B end of tested multi-core cable connects another input end of described governor circuit through second described cable connector, the cable core number of tested multi-core cable A end through being connected with described governor circuit one output terminal first described in charactron demonstration, the cable core number of tested multi-core cable B end through being connected with another output terminal of described governor circuit second described in charactron show, and by described governor circuit, tested multi-core cable A end is detected with the break-make that B holds; Described governor circuit is powered by described Switching Power Supply, and described governor circuit is also connected with the described hummer that detects prompting use.
Described governor circuit comprises the first testing circuit, the second testing circuit and a single-chip microcomputer; Described the first testing circuit connects the A end of tested multi-core cable by cable connector described in first, described the second testing circuit connects the B end of tested multi-core cable by second described cable connector, and the control end of described the first testing circuit and the second testing circuit is all connected to described single-chip microcomputer, worked by the first testing circuit described in described Single-chip Controlling and the second testing circuit.
It is that Silabs company of the U.S., model are C8051F020 single-chip microcomputer that described single-chip microcomputer adopts manufacturer, and it is the list 16 path analoging switch chips that En Zhi Pu company, model are HCC4067BF that described the first testing circuit and the second testing circuit all adopt manufacturer.
The first and second two described charactrons all adopt common cathode type charactron.
It is that switching power source chip, the manufacturer that National Semiconductor, model are LM2675M-5.0 is that the linear power supply chip that National Semiconductor, model are LM1117-3.3 forms by manufacturer that described Switching Power Supply adopts.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model forms multi-core cable auto testing instrument owing to adopting by governor circuit, cable connector, governor circuit, charactron and hummer, tested multi-core cable is connected to governor circuit by cable connector, realizes the on off test to tested multi-core cable by governor circuit; Meanwhile, and carry out core index by charactron, by hummer prompting test correct or open circuit, short-circuit conditions, realize the automatic measurement of multi-core cable break-make, and then ensure the accuracy of test result.2, the utility model governor circuit is taking single-chip microcomputer as core, by Single-chip Controlling the first testing circuit and the second testing circuit work, open circuit for tested multi-core cable very accurate with the test of short circuit, be applicable to cable one to one, realize the automatic measurement of multi-core cable break-make, the accuracy that has ensured test result, has improved work efficiency.The utility model can extensively detect cable and use in each quasi-instrument and opertaing device.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is governor circuit structural representation of the present utility model;
Fig. 3 is the first testing circuit structural representation of the present utility model;
Fig. 4 is the second testing circuit structural representation of the present utility model;
Fig. 5 is Switching Power Supply structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises the first and second two cable connectors 1, a governor circuit 2, the first and second two charactrons 3, a Switching Power Supply 4 and hummers 5.
One end (being designated as A end) of tested multi-core cable connects an input end of governor circuit 2 through first cable connector 1, the other end (being designated as B end) of tested multi-core cable connects another input end of governor circuit 2 through second cable connector 1, the cable core number of tested multi-core cable A end shows through the first charactron 3 being connected with governor circuit 2 one output terminals, the cable core number of tested multi-core cable B end shows through the second charactron 3 being connected with governor circuit 2 another output terminals, and by governor circuit 2, tested multi-core cable A end and the break-make of B end is detected.Governor circuit 2 is powered by Switching Power Supply 4, and governor circuit 2 is also connected with the hummer 5 that detects prompting use.In the time that governor circuit 2 detects, single line core often detected, hummer 5 sound one sound, represent that this root core is communicated with, and detect correct; When governor circuit 2 detects while opening circuit, the first and second two displays 4 show that tested multi-core cable A end and B hold the core index opening circuit, hummer 5 sound two acoustic alarms simultaneously; If when governor circuit 2 detects short circuit, suspend and detect, the first and second two displays 4 show respectively the core index of tested multi-core cable A end and B end, hummer 5 sound three acoustic alarms.Occur detecting after mistake, governor circuit 2 can continue down to detect, until the tested multi-core cable of whole piece detects complete.
In the various embodiments described above, as shown in Figure 2, governor circuit 2 comprises the first testing circuit 6, the second testing circuit 7 and a single-chip microcomputer 8.The first testing circuit 6 connects the A end of tested multi-core cable by first cable connector 1, the second testing circuit 7 connects the B end of tested multi-core cable by second cable connector 1, and the control end of the first testing circuit 6 and the second testing circuit 7 is all connected to single-chip microcomputer 8, control the first testing circuit 6 and the second testing circuit 7 is worked by single-chip microcomputer 8, complete the detection to tested multi-core cable.
In above-described embodiment, as shown in Figure 3, Figure 4, it is that Silabs company of the U.S., model are C8051F020 single-chip microcomputer that single-chip microcomputer 8 adopts manufacturer, and it is the list 16 path analoging switch chips that En Zhi Pu company, model are HCC4067BF that the first testing circuit 6 and the second testing circuit 7 all adopt manufacturer.Wherein, the list 16 path analoging switch chips of HCC4067BF have low conduction impedance, the feature of low cut-off leakage current and home address decoding.Binary address code A, the B, C, the D that transfer to by single-chip microcomputer 8 switch each switch.A, B, C, D tetrad code have 16 kinds of states, can control the break-make of 16 switches, in the time that ABCD is 0000, IO0 and common port IO COMX connect, if ALine0 communicates well with BLine0 is whole, connect correctly, by the pressure stabilization function of voltage stabilizing diode IN4730, at B Line COM place meeting extraction high level; Otherwise obstructed, because B Line COM is by resistance eutral grounding, this port voltage value is 0V.Control the ABCD value on the CD4067 chip of B end by change, allow cable A hold ALine0 to be connected successively detection with B end line core.After treating that ALine0 and B end line core all detect, then change the value of the ABCD on the CD4067 chip of controlling A end, select A to hold next core, the like, realize the successively detection to tested multi-core cable core.
In the various embodiments described above, the first and second two charactrons 3 all adopt common cathode type charactron, all connect at each demonstration section pin place of the two common cathode type charactrons current-limiting resistance of a 1K Ω, is limited in working current in 3～5mA, to ensure that the first and second two charactrons 3 normally work.
In the various embodiments described above, as shown in Figure 5, to adopt by manufacturer be that National Semiconductor, the model switching power source chip that is LM2675M-5.0 and peripheral circuit thereof, manufacturer are that linear power supply chip and the peripheral circuit thereof that National Semiconductor, model are LM1117-3.3 forms to Switching Power Supply 4.LM2675M-5.0 switching power source chip will produce 5V voltage after the step-down of 24V supply voltage; and then with LM1117-3.3 linear power supply chip, 5V voltage step-down generation 3.3V voltage is supplied with to governor circuit 2, LM2675M-5.0 switching power source chip has the function of current limit and heat protection.If directly adopt LM1117-3.3 linear power supply chip directly 24V supply voltage to be dropped to 3.3V voltage, LM1117-3.3 linear power supply chip can be hot and voltage is not steady.Not only excessively step-down of the LM2675M-5.0 switching power source chip adopting in the utility model, and can also be powered to peripheral circuit by the 5V voltage of its generation.Because noise is in analog very little very little, but noise is digitally very large, if directly by simulation, be digitally connected together and can do mutually, cause that circuit working is abnormal.Therefore the utility model adopts and will be in analog and digitally separate setting, and finally after filtering after electric capacity, will be linked together in analog and digitally by 0 Ω resistance.
In sum, in use, tested multi-core cable is corresponding type one by one to the utility model, and first, second two charactrons 3 show respectively which root core tested multi-core cable A end, B end index.Communicate with B end Line 1 core if record A end Line 1 core, be and connect correctly, hummer 5 sound one sound, detect and continue; Otherwise, for opening circuit, hummer 5 two sound of reporting to the police, detection stops.Tested multi-core cable A end Line 1 core can continue and tested multi-core cable B end residue core detects, and judges whether the situation of short circuit, if having, hummer 5 three sound of reporting to the police, detect and suspend.After tested multi-core cable A end Line 1 core and tested multi-core cable B end line core are all completed, tested multi-core cable A end residue core repeats said process, completes the detection to tested multi-core cable.
The various embodiments described above are only for illustrating the utility model; wherein structure and the connected mode etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (6)
1. a multi-core cable auto testing instrument, is characterized in that: it comprises the first and second two cable connectors, a governor circuit, the first and second two charactrons, a Switching Power Supply and hummers; The A end of tested multi-core cable connects an input end of described governor circuit through cable connector described in first, the B end of tested multi-core cable connects another input end of described governor circuit through second described cable connector, the cable core number of tested multi-core cable A end through being connected with described governor circuit one output terminal first described in charactron demonstration, the cable core number of tested multi-core cable B end through being connected with another output terminal of described governor circuit second described in charactron show, and by described governor circuit, tested multi-core cable A end is detected with the break-make that B holds; Described governor circuit is powered by described Switching Power Supply, and described governor circuit is also connected with the described hummer that detects prompting use.
2. a kind of multi-core cable auto testing instrument as claimed in claim 1, is characterized in that: described governor circuit comprises the first testing circuit, the second testing circuit and a single-chip microcomputer; Described the first testing circuit connects the A end of tested multi-core cable by cable connector described in first, described the second testing circuit connects the B end of tested multi-core cable by second described cable connector, and the control end of described the first testing circuit and the second testing circuit is all connected to described single-chip microcomputer, worked by the first testing circuit described in described Single-chip Controlling and the second testing circuit.
3. a kind of multi-core cable auto testing instrument as claimed in claim 2, it is characterized in that: it is that Silabs company of the U.S., model are C8051F020 single-chip microcomputer that described single-chip microcomputer adopts manufacturer, and it is the list 16 path analoging switch chips that En Zhi Pu company, model are HCC4067BF that described the first testing circuit and the second testing circuit all adopt manufacturer.
4. a kind of multi-core cable auto testing instrument as described in claim 1 or 2 or 3, is characterized in that: the first and second two described charactrons all adopt common cathode type charactron.
5. a kind of multi-core cable auto testing instrument as described in claim 1 or 2 or 3, is characterized in that: it is that switching power source chip, the manufacturer that National Semiconductor, model are LM2675M-5.0 is that the linear power supply chip that National Semiconductor, model are LM1117-3.3 forms by manufacturer that described Switching Power Supply adopts.
6. a kind of multi-core cable auto testing instrument as claimed in claim 4, is characterized in that: it is that switching power source chip, the manufacturer that National Semiconductor, model are LM2675M-5.0 is that the linear power supply chip that National Semiconductor, model are LM1117-3.3 forms by manufacturer that described Switching Power Supply adopts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320756602.0U CN203673003U (en) | 2013-11-26 | 2013-11-26 | Multi-core cable automatic tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320756602.0U CN203673003U (en) | 2013-11-26 | 2013-11-26 | Multi-core cable automatic tester |
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| CN203673003U true CN203673003U (en) | 2014-06-25 |
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| CN201320756602.0U Expired - Lifetime CN203673003U (en) | 2013-11-26 | 2013-11-26 | Multi-core cable automatic tester |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502785A (en) * | 2015-01-05 | 2015-04-08 | 苏州路之遥科技股份有限公司 | Multi-position single-model wire harness testing method for wire harness intelligent test machine |
| CN104569723A (en) * | 2015-01-05 | 2015-04-29 | 苏州路之遥科技股份有限公司 | Multi-station multi-type hybrid wire harness testing method for intelligent wire harness tester |
| CN105093091A (en) * | 2015-01-05 | 2015-11-25 | 苏州征之魂专利技术服务有限公司 | Multi-station single-model production testing method of lattice structure body testing machine |
| CN105223461A (en) * | 2015-09-25 | 2016-01-06 | 长治清华机械厂 | A kind of polycore cable insulation, short-circuit detecting device and method |
| CN109725243A (en) * | 2018-11-16 | 2019-05-07 | 湖北江山重工有限责任公司 | Multicore cable insulating properties self-operated measuring unit |
| CN110954785A (en) * | 2019-12-25 | 2020-04-03 | 国网辽宁省电力有限公司电力科学研究院 | On-site protection prefabricated cable calibration device and method |
| CN111693819A (en) * | 2020-05-25 | 2020-09-22 | 北京旋极信息技术股份有限公司 | Detection method and device |
| CN112881804A (en) * | 2021-01-18 | 2021-06-01 | 国网浙江省电力有限公司电力科学研究院 | Impedance spectrum measuring method and device for three-core cable |
| CN113866674A (en) * | 2021-09-14 | 2021-12-31 | 北京二十一世纪科技发展有限公司 | Multi-core cable testing method and device, electronic equipment and storage medium |
-
2013
- 2013-11-26 CN CN201320756602.0U patent/CN203673003U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569723A (en) * | 2015-01-05 | 2015-04-29 | 苏州路之遥科技股份有限公司 | Multi-station multi-type hybrid wire harness testing method for intelligent wire harness tester |
| CN105093091A (en) * | 2015-01-05 | 2015-11-25 | 苏州征之魂专利技术服务有限公司 | Multi-station single-model production testing method of lattice structure body testing machine |
| CN104502785A (en) * | 2015-01-05 | 2015-04-08 | 苏州路之遥科技股份有限公司 | Multi-position single-model wire harness testing method for wire harness intelligent test machine |
| CN105223461A (en) * | 2015-09-25 | 2016-01-06 | 长治清华机械厂 | A kind of polycore cable insulation, short-circuit detecting device and method |
| CN109725243B (en) * | 2018-11-16 | 2020-09-29 | 湖北江山重工有限责任公司 | Multi-core cable insulation automatic measuring device |
| CN109725243A (en) * | 2018-11-16 | 2019-05-07 | 湖北江山重工有限责任公司 | Multicore cable insulating properties self-operated measuring unit |
| CN110954785A (en) * | 2019-12-25 | 2020-04-03 | 国网辽宁省电力有限公司电力科学研究院 | On-site protection prefabricated cable calibration device and method |
| CN111693819A (en) * | 2020-05-25 | 2020-09-22 | 北京旋极信息技术股份有限公司 | Detection method and device |
| CN111693819B (en) * | 2020-05-25 | 2023-02-17 | 北京旋极信息技术股份有限公司 | Detection method and device |
| CN112881804A (en) * | 2021-01-18 | 2021-06-01 | 国网浙江省电力有限公司电力科学研究院 | Impedance spectrum measuring method and device for three-core cable |
| CN112881804B (en) * | 2021-01-18 | 2023-08-15 | 国网浙江省电力有限公司电力科学研究院 | Impedance spectrum measurement method and device for three-core cable |
| CN113866674A (en) * | 2021-09-14 | 2021-12-31 | 北京二十一世纪科技发展有限公司 | Multi-core cable testing method and device, electronic equipment and storage medium |
| CN113866674B (en) * | 2021-09-14 | 2024-02-06 | 北京二十一世纪科技发展有限公司 | Method and device for testing multi-core cable, electronic equipment and storage medium |
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