CN1504757A - Intelligent multiple port system for cable test - Google Patents
Intelligent multiple port system for cable test Download PDFInfo
- Publication number
- CN1504757A CN1504757A CNA021358435A CN02135843A CN1504757A CN 1504757 A CN1504757 A CN 1504757A CN A021358435 A CNA021358435 A CN A021358435A CN 02135843 A CN02135843 A CN 02135843A CN 1504757 A CN1504757 A CN 1504757A
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- CN
- China
- Prior art keywords
- chip microcomputer
- test
- relay
- heart yearn
- circuit
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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.)
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a wire line test intelligent multiple ends system which comprises a control end single-chip microcomputer and a terminal single-chip microcomputer for the networking communication, characterized in that, an electrical resistance metering circuit and a switching over circuit are added corresponding the signal line P2 port and signal line P1 port connected with the control end single chip microprocessor, the control end single chip microprocessor sends the control signal to instruct the terminal end single chip microprocessor control short-circuit or disconnection of the corresponding relays, thus simulating the open-circuit or short circuit of the cable conductor.
Description
Affiliated technical field
The invention provides a kind of intelligent multiple port system for cable test, belong to wireline test and use the device technique field.
Background technology
When utilizing defective insulation, the high resistive fault of bridge measurement cable line, the cable far-end all need have cooperation personnel to cooperate at any time; Simultaneously all need both sides to utilize wire telephony or wireless communication tool to get in touch with, just can finish a bridge measurement or wireline test work.For a long time, cause the waste of a large amount of personnel and resource.Do not see the Related product report both at home and abroad.
Summary of the invention
The purpose of this invention is to provide a kind ofly can overcome above-mentioned defective, make wireline test or troubleshooting become fast, simply, intelligent multiple port system for cable test accurately.Its technical scheme is:
Comprise the control end single-chip microcomputer and the terminal single-chip microcomputer of combined network communication, it is characterized in that: set up the signal wire P that resistance measuring circuit, switching switch circuit correspondence connect the control end single-chip microcomputer
2Mouth and signal wire P
1Mouthful, the input end of switching switch circuit is by manual control reception test cable heart yearn L
1～nAn end, cable core L
1～nOther end correspondence succeed appliance contact, the contact of a plurality of relays constitutes the change-over switch combinatorial matrix, its corresponding coil meets the signal wire P of terminal single-chip microcomputer
1Mouthful, send control signal, terminal single-chip microcomputer according to the short circuit or the disconnection of ordering the corresponding relay switch of control, the open circuit, the short circuit that come the dummycable heart yearn by the control end single-chip microcomputer.
Described intelligent multiple port system for cable test, terminal single-chip microcomputer are one or more, through communication module and control end single-chip microcomputer exchange message, can be wire communications all, also can be wireless telecommunications.
Described intelligent multiple port system for cable test, resistance measuring circuit are A/D converter, the signal wire P of its output termination control end single-chip microcomputer
2Mouthful, its input end correspondence connects the input end of switching switch circuit, in order to judge far-end cable core L
1～nShort circuit, open circuit situation.
Described intelligent multiple port system for cable test, switching switch circuit comprise test heart yearn L
Ine1～3, relay K
1～3And two groups of contacts, wherein relay K of each relay
1～3The coil correspondence meet the signal wire P of control end single-chip microcomputer
1.1, signal wire P
1.2, signal wire P
1.3, and relay K
1Two groups of one-way synchronization contacts be serially connected in resistance measuring circuit and relay K
2～3Two groups of two-way contacts between, relay K
2Normally closed contact K
21Meet test heart yearn L
Ine1, its normally opened contact K
22With relay K
3Normally closed contact K
31Meet test heart yearn L
Ine2, relay K
3Normally opened contact K
32Meet test heart yearn L
Ine3
Relay in the technical program also can adopt analog switch to replace.
Its principle of work is: cable under test heart yearn correspondence is succeeded appliance contact, and the contact of a plurality of relays constitutes the change-over switch combinatorial matrix, and its control corresponding coil correspondence meets the P of terminal single-chip microcomputer
1Mouthful, when wireline test, the control end single-chip microcomputer is sent to the terminal single-chip microcomputer by the both-end communication module with control signal, and the terminal single-chip microcomputer is according to ordering respective switch short circuit or disconnection, to reach short circuit or to disconnect the purpose of testing heart yearn, return real-time information simultaneously, by the combination of control end and intelligent terminal, during with wireline test, need the work of frequent short circuit, the opposite end cable socket that opens circuit like this, give intelligent terminal and do, adopt its principle of work of analog switch also to be equal to relay.The concrete operations step is as follows:
1, control end single-chip microcomputer, the initialization of terminal single-chip microcomputer are succeeded appliance contact with heart yearn correspondence to be tested, and the contact of a plurality of relays constitutes the change-over switch combinatorial matrix, and its control corresponding coil correspondence meets the P of terminal single-chip microcomputer
1Mouthful, relay contact K1 disconnects, and whether the communication that detects control end single-chip microcomputer and terminal single-chip microcomputer is normal.
2, pilot relay contact K
1Closed conducting, pilot relay K simultaneously
2～3The contact will test heart yearn L
Ine1～2Insert resistance measuring circuit, the control end single-chip microcomputer is sent to the terminal single-chip microcomputer with control signal, the monolithic processor controlled corresponding relay of terminal is closed successively, disconnect, and judges opposite end whether short circuit and open circuit according to the big I of surveys resistance, and the control end single-chip microcomputer writes down tests heart yearn L
Ine1～2Open and close the relay information of associated terminal single-chip microcomputer.
3, pilot relay contact K
1Closed conducting, pilot relay K simultaneously
2～3The contact will test heart yearn L
Ine1, test heart yearn L
Ine3Insert resistance measuring circuit, test process is with the 2nd step.
4, the closed conducting of pilot relay contact K1, pilot relay K simultaneously
2～3The contact will test heart yearn L
Ine2, test heart yearn L
Ine3Insert resistance measuring circuit, test process is with the 2nd step.
5, when carrying out electric bridge or other test, control L earlier
Ine1～3The corresponding heart yearn that connects is controlled K again to terminal shortcircuit or open circuit
1Disconnect, electric bridge or other testing apparatuss are connected L
Ine1～3On test, when needing the opposite end to cooperate, disconnect electric bridge or other testing apparatuss, repeat to control L
Ine1～3The corresponding heart yearn that connects is controlled K again to terminal shortcircuit or open circuit
1Disconnect, the rest may be inferred.
When 6, needing to change heart yearn, determine to cooperate parameter by abovementioned steps 2,3,4 earlier, promptly allow the control end single-chip microcomputer cooperate, test out control end L with the terminal single-chip microcomputer
Ine1～3The relay of the opposite end heart yearn correspondence that is connected is so that control opening and closing at any time.
The present invention needs during with wireline test or localization of fault cable both-end personnel to cooperate, and finishes with computing machine fully, thereby makes wireline test and localization of fault become very quick, simple, convenient.Owing in test process, need not artificial cooperation, significantly reduced owing to cooperate human error or the unskilled time waste that causes, and reduced by cooperation personnel, improved each tester's labour productivity greatly, reduce job costs, can extensively be suitable for the test and the localization of fault of cable classes such as telecommunication cable, power cable.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention;
Fig. 2 is a principle of work process flow diagram of the present invention:
Fig. 3 is the circuit diagram of embodiment of the invention control end;
Fig. 4 is the circuit diagram of embodiment of the invention terminal.
Embodiment
Communication module adopts the 232-CAN interface, and correspondence connects RS, the TS PORT COM of control end single-chip microcomputer, terminal single-chip microcomputer, and resistance measuring circuit adopts A/D converter, the signal wire P of its output termination control end single-chip microcomputer
2Mouthful, its input end is by relay K
1Electrical equipment K is succeeded in two groups of one-way synchronization contact controls
2～3Two groups of two-way contacts, wherein relay K
2Normally closed contact K
21Meet test heart yearn L
Ine1, its normally opened contact K
22With relay K
3Normally closed contact K
31Meet test heart yearn L
Ine2, relay K
3Normally opened contact K
32Meet test heart yearn L
Ine3, relay K
1～3The control coil correspondence meet the signal wire P of control end single-chip microcomputer
1.1, signal wire P
1.2, signal wire P
1.3, reach by relay K
1Whether control cut-in relay K
2～3, if insert by relay K
2～3Two groups of two-way contacts select to insert test heart yearn L
Ine1～3In purpose of two any.The test heart yearn of choosing is by manual control reception test cable heart yearn L
1～nAn end, cable core L
1～nOther end correspondence succeed appliance contact, the contact of a plurality of relays constitutes the change-over switch combinatorial matrix, its corresponding coil meets the signal wire P of terminal single-chip microcomputer
1Mouthful.
To test 9 cable cores is example: the corresponding relay J that is provided with between No. 1 cable core and 5～No. 8 cable cores
1～4Normally opened contact J
11～41, the corresponding relay J that is provided with between No. 9 cable cores and 1～No. 4 cable core
5～8Normally opened contact J
51～81, the contact of above-mentioned 8 relays constitutes the change-over switch combinatorial matrix, and its corresponding coil meets the signal wire P of terminal single-chip microcomputer
1.0～1.7During test: if test heart yearn L
Ine1～2Be connected on 2, No. 7 cable cores of control end terminal single-chip microcomputer fill order pilot relay J
5～8Closure detects the whether short circuit of 1～4, No. 9 cable core, owing to wherein there is not No. 7 cable core, test result is for open circuit, again with relay J
1Closure, test result still are open circuit, and the like, until relay J
3Closure, test result are short circuit, control end meter relay J
3, again with relay J
1～8Disconnect, with relay J
3Closure, relay J
8Closure, test result is for open circuit, again with relay J
7Closure, test result still are open circuit, and the like, until relay J
6Closure, test result are short circuit, control end meter relay J
6, can pass through pilot relay J at control end this moment
6, relay J
3Closure control test heart yearn L with disconnecting
Ine1～2Short circuit and open circuit, reach short circuit or disconnect the purpose of test heart yearn opposite end; Test finishes, pilot relay K
2～3To test heart yearn L
Ine2～3Be connected with A/D converter, repeat above-mentioned work, behind to be tested the finishing, pilot relay K
2～3To test heart yearn L
Ine1～3Be connected with A/D converter, repeat above-mentioned work, by the combination of control end and intelligent terminal, during with wireline test, need the work of frequent short circuit, the opposite end cable socket that opens circuit like this, give intelligent terminal and do.
When carrying out bridge test, the heart yearn of control test earlier L
Ine1～3The corresponding heart yearn that connects is to terminal shortcircuit or open circuit, again pilot relay K
1Two groups of one-way synchronization contacts disconnect, electric bridge or other testing apparatus are connected test heart yearn L
Ine1～3On test, when needing the opposite end to cooperate, disconnect electric bridge or other testing apparatuss, repeat control test heart yearn L
Ine1～3The corresponding heart yearn that connects is to terminal shortcircuit or open circuit, again pilot relay K
1Two groups of one-way synchronization contacts disconnect, again electric bridge or other testing apparatuss are connected test heart yearn L
Ine1～3On test, the rest may be inferred.
When cable core and when connecing, can set up corresponding intelligent terminal, its test philosophy is the same.
Claims (6)
1, a kind of intelligent multiple port system for cable test comprises it is characterized in that the control end single-chip microcomputer and the terminal single-chip microcomputer of communication: set up the signal wire P that resistance measuring circuit, switching switch circuit correspondence connect the control end single-chip microcomputer
2Mouth and signal wire P
1Mouthful, the input end of switching switch circuit is by manual control reception test cable heart yearn L
1～nAn end, cable core L
1～nOther end correspondence succeed appliance contact, the contact of a plurality of relays constitutes the change-over switch combinatorial matrix, its corresponding coil meets the signal wire P of terminal single-chip microcomputer
1Mouthful, send control signal, terminal single-chip microcomputer according to the short circuit or the disconnection of ordering the corresponding relay switch of control, the open circuit, the short circuit that come the dummycable heart yearn by the control end single-chip microcomputer.
2, intelligent multiple port system for cable test as claimed in claim 1 is characterized in that: the terminal single-chip microcomputer is a plurality of, all through communication module and control end single-chip microcomputer exchange message.
3, intelligent multiple port system for cable test as claimed in claim 1 is characterized in that: cable core L
1～nOther end correspondence connect the passage of analog switch, the passage of a plurality of analog switches constitutes the change-over switch combinatorial matrix, its corresponding control line meets the signal wire P of terminal single-chip microcomputer
1Mouthful, send control signal, terminal single-chip microcomputer according to the conducting or the shutoff of ordering the corresponding analog switch of control, the open circuit, the short circuit that come dummycable heart yearn L1～n by the control end single-chip microcomputer.
4, intelligent multiple port system for cable test as claimed in claim 1 is characterized in that: resistance measuring circuit is an A/D converter, the signal wire P of its output termination control end single-chip microcomputer
2Mouthful, its input end correspondence connects the input end of switching switch circuit, in order to judge far-end cable core L
1～nShort circuit, open circuit situation.
5, intelligent multiple port system for cable test as claimed in claim 1 is characterized in that: switching switch circuit comprises test heart yearn L
Ine1～3, relay K
1～3And two groups of contacts, wherein relay K of each relay
1～3The coil correspondence meet the signal wire P of control end single-chip microcomputer
1.1, signal wire P
1.2, signal wire P
1.3, and relay K
1Two groups of one-way synchronization contacts be serially connected in resistance measuring circuit and relay K
2～3Two groups of two-way contacts between, relay K
2Normally closed contact K
21Meet test heart yearn L
Ine1, its normally opened contact K
22With relay K
3Normally closed contact K
31Meet test heart yearn L
Ine2, relay K
3Normally opened contact K
32Meet test heart yearn L
Ine3
6, intelligent multiple port system for cable test as claimed in claim 1 is characterized in that: switching switch circuit comprises test heart yearn L
Ine1～3, analog switch K
1～3And the two paths of each analog switch, wherein analog switch K
1～3The control line correspondence meet the signal wire P of control end single-chip microcomputer
1.1, signal wire P
1.2, signal wire P
1.3, and analog switch K
1Two paths be serially connected in resistance measuring circuit and analog switch K
2～3Two groups of passages between, analog switch K
2One paths meets test heart yearn L
Ine1, its another paths and analog switch K
3A paths meet test heart yearn L
Ine2, analog switch K
3Another paths meet test heart yearn L
Ine3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021358435A CN1504757A (en) | 2002-11-30 | 2002-11-30 | Intelligent multiple port system for cable test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021358435A CN1504757A (en) | 2002-11-30 | 2002-11-30 | Intelligent multiple port system for cable test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504757A true CN1504757A (en) | 2004-06-16 |
Family
ID=34231527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021358435A Pending CN1504757A (en) | 2002-11-30 | 2002-11-30 | Intelligent multiple port system for cable test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1504757A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006094463A1 (en) * | 2005-03-10 | 2006-09-14 | Huawei Technologies Co., Ltd. | A method and a means for switching circuits of mems matrixes and of an automated main distribution frame |
| CN101241162B (en) * | 2007-02-08 | 2010-06-16 | 西安航力航电技术发展有限公司 | Cable tester |
| CN102169151A (en) * | 2010-11-16 | 2011-08-31 | 北京航天测控技术开发公司 | Cable network parallel test method |
| CN103364702A (en) * | 2012-04-02 | 2013-10-23 | 威光自动化科技股份有限公司 | Test system |
| CN103560810A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨工业大学 | Cable testing controller based on CAN bus communication |
| CN104157194A (en) * | 2009-11-16 | 2014-11-19 | 江苏省电力公司常州供电公司 | Power cable fault simulation and location system |
| CN106019064A (en) * | 2016-08-04 | 2016-10-12 | 歌尔股份有限公司 | Electronic element on-off measuring method and equipment applied to same |
| CN108181538A (en) * | 2018-03-14 | 2018-06-19 | 华北科技学院 | Intelligent short circuit experiment platform |
| CN108260144A (en) * | 2018-01-12 | 2018-07-06 | 四川斐讯信息技术有限公司 | The automatic test device and method of a kind of wireless radio frequency index |
| CN110058106A (en) * | 2019-03-05 | 2019-07-26 | 柳州和利时科技有限责任公司 | A kind of spare core line monitoring system based on NBIoT Internet of Things |
| CN111555898A (en) * | 2019-12-13 | 2020-08-18 | 中国船舶重工集团公司第七0九研究所 | Programmable network cable communication fault simulation device and method |
| CN113295975A (en) * | 2021-05-20 | 2021-08-24 | 中国铁路北京局集团有限公司北京车辆段 | Control circuit board and test bench of test passenger train connecting cable |
-
2002
- 2002-11-30 CN CNA021358435A patent/CN1504757A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8120210B2 (en) | 2005-03-10 | 2012-02-21 | Huawei Technologies Co., Ltd. | Method and device for line-switching of MEMS matrix and AMDF |
| WO2006094463A1 (en) * | 2005-03-10 | 2006-09-14 | Huawei Technologies Co., Ltd. | A method and a means for switching circuits of mems matrixes and of an automated main distribution frame |
| CN101241162B (en) * | 2007-02-08 | 2010-06-16 | 西安航力航电技术发展有限公司 | Cable tester |
| CN104167138B (en) * | 2009-11-16 | 2016-04-20 | 江苏省电力公司常州供电公司 | A kind of power cable fault simulation and fault location system |
| CN103985299B (en) * | 2009-11-16 | 2016-06-22 | 江苏省电力公司常州供电公司 | A kind of cable fault simulation and fault location system |
| CN104157194A (en) * | 2009-11-16 | 2014-11-19 | 江苏省电力公司常州供电公司 | Power cable fault simulation and location system |
| CN104167138A (en) * | 2009-11-16 | 2014-11-26 | 江苏省电力公司常州供电公司 | Power cable fault simulating and positioning system |
| CN104157194B (en) * | 2009-11-16 | 2016-02-03 | 江苏省电力公司常州供电公司 | Power cable fault simulation, fault location system |
| CN102169151A (en) * | 2010-11-16 | 2011-08-31 | 北京航天测控技术开发公司 | Cable network parallel test method |
| CN103364702A (en) * | 2012-04-02 | 2013-10-23 | 威光自动化科技股份有限公司 | Test system |
| CN103560810A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨工业大学 | Cable testing controller based on CAN bus communication |
| CN106019064A (en) * | 2016-08-04 | 2016-10-12 | 歌尔股份有限公司 | Electronic element on-off measuring method and equipment applied to same |
| CN108260144A (en) * | 2018-01-12 | 2018-07-06 | 四川斐讯信息技术有限公司 | The automatic test device and method of a kind of wireless radio frequency index |
| CN108181538A (en) * | 2018-03-14 | 2018-06-19 | 华北科技学院 | Intelligent short circuit experiment platform |
| CN110058106A (en) * | 2019-03-05 | 2019-07-26 | 柳州和利时科技有限责任公司 | A kind of spare core line monitoring system based on NBIoT Internet of Things |
| CN111555898A (en) * | 2019-12-13 | 2020-08-18 | 中国船舶重工集团公司第七0九研究所 | Programmable network cable communication fault simulation device and method |
| CN113295975A (en) * | 2021-05-20 | 2021-08-24 | 中国铁路北京局集团有限公司北京车辆段 | Control circuit board and test bench of test passenger train connecting cable |
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