CN2630859Y - Cable measuring intelligent multi-terminal device - Google Patents

Cable measuring intelligent multi-terminal device Download PDF

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Publication number
CN2630859Y
CN2630859Y CN 02255706 CN02255706U CN2630859Y CN 2630859 Y CN2630859 Y CN 2630859Y CN 02255706 CN02255706 CN 02255706 CN 02255706 U CN02255706 U CN 02255706U CN 2630859 Y CN2630859 Y CN 2630859Y
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China
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chip microcomputer
test
relay
signal wire
heart yearn
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Expired - Fee Related
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CN 02255706
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Chinese (zh)
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张跃武
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Individual
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Abstract

The utility model provides a cable test intelligent multi-terminal device, which includes a control terminal MCU and a terminal MCU, and is characterized in that: adding a resistance measuring circuit and a switching switch circuit corresponding connecting the control terminal MCU signal line P2 port and P1 port, relay contact is connected with the switching switch circuit input terminal by corresponding manual control reception test cable conductor one end and other end thereof, a plurality of relay contacts compose the diverter switch combination matrix, the terminal MCU signal line P1 port is connected with the diverter switch combination matrix thereof corresponding coil. The utility model gets through control terminal and intelligent terminal organic combination, from the control terminal MCU sending out control signal to the terminal MCU according to command controlling corresponding relay switch short circuit or disconnection, thus to simulate the short circuit or disconnection of the cable conductor, when the cable tests, needing frequent short circuit and disconnection for end to end cable end work, handing the intelligent terminal to do, therefore saving human resources and putting an end to previous cable two ends need artificial copulative malady.

Description

Wireline test intelligence multiterminal device
Affiliated technical field
The utility model provides a kind of wireline test intelligence multiterminal device, belongs to wireline test and uses 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.
The utility model content
The purpose of this utility model provides a kind ofly can overcome above-mentioned defective, make wireline test or troubleshooting become fast, simply, wireline test intelligence multiterminal device 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.
For achieving the above object, described wireline test intelligence multiterminal device, the terminal single-chip microcomputer is one or more, all through communication module and control end single-chip microcomputer exchange message, it can be wire communication, also can be wireless telecommunications, resistance measuring circuit be 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.
For achieving the above object, described wireline test intelligence multiterminal device, 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
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 Ine 3Insert 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 Ine 3Insert 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 K1 again and is disconnected terminal shortcircuit or open circuit, and 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 purpose of this utility model can also adopt another kind of scheme to realize, promptly the relay in the technique scheme adopts analog switch to replace, specifically:
Comprise the control end single-chip microcomputer and the terminal single-chip microcomputer of 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 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 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.
For achieving the above object, described wireline test intelligence multiterminal device, the terminal single-chip microcomputer is one or more, all through communication module and control end single-chip microcomputer exchange message, it can be wire communication, also can be wireless telecommunications, resistance measuring circuit be 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.
For achieving the above object, described wireline test intelligence multiterminal device, 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
Principle of work of this programme and concrete operations step are the same.
The utility model 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 utility model;
Fig. 2 is the circuit diagram of the utility model embodiment control end;
Fig. 3 is the circuit diagram of the utility model embodiment 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 (8)

1, a kind of wireline test intelligence multiterminal device 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.
2, wireline test intelligence multiterminal device as claimed in claim 1, it 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, wireline test intelligence multiterminal device as claimed in claim 1, it 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.
4, wireline test intelligence multiterminal device as claimed in claim 1, it 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
5, a kind of wireline test intelligence multiterminal device 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 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.
6, wireline test intelligence multiterminal device as claimed in claim 5, it 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.
7, wireline test intelligence multiterminal device as claimed in claim 5, it 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.
8, wireline test intelligence multiterminal device as claimed in claim 5, it 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
CN 02255706 2002-11-30 2002-11-30 Cable measuring intelligent multi-terminal device Expired - Fee Related CN2630859Y (en)

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Application Number Priority Date Filing Date Title
CN 02255706 CN2630859Y (en) 2002-11-30 2002-11-30 Cable measuring intelligent multi-terminal device

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CN 02255706 CN2630859Y (en) 2002-11-30 2002-11-30 Cable measuring intelligent multi-terminal device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1877350B (en) * 2006-04-26 2011-05-04 深圳创维－Rgb电子有限公司 Testing method and device for abnormal power-on and power-off of electronic product
CN102944816A (en) * 2012-12-07 2013-02-27 中煤科工集团重庆研究院 Mine cable line on-line fault diagnosis and positioning device
CN101937038B (en) * 2009-07-02 2013-12-25 中国第一汽车集团公司无锡油泵油嘴研究所 Intelligent multi-core cable harness detection device
CN104167139A (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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1877350B (en) * 2006-04-26 2011-05-04 深圳创维－Rgb电子有限公司 Testing method and device for abnormal power-on and power-off of electronic product
CN101937038B (en) * 2009-07-02 2013-12-25 中国第一汽车集团公司无锡油泵油嘴研究所 Intelligent multi-core cable harness detection device
CN104167139A (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
CN104167141A (en) * 2009-11-16 2014-11-26 江苏省电力公司常州供电公司 Power cable fault simulation and fault positioning 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
CN104157195B (en) * 2009-11-16 2016-02-03 江苏省电力公司常州供电公司 Power cable fault simulation and positioning system
CN104167141B (en) * 2009-11-16 2016-02-03 江苏省电力公司常州供电公司 Power cable fault simulation and fault location system
CN104183179B (en) * 2009-11-16 2016-02-03 江苏省电力公司常州供电公司 A kind of power cable fault simulation and positioning system
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
CN104167139B (en) * 2009-11-16 2016-04-27 江苏省电力公司常州供电公司 A kind of power cable fault simulation, positioning system
CN102944816A (en) * 2012-12-07 2013-02-27 中煤科工集团重庆研究院 Mine cable line on-line fault diagnosis and positioning device
CN102944816B (en) * 2012-12-07 2016-06-22 中煤科工集团重庆研究院有限公司 Mine cable line on-line fault diagnosis and positioner

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040804

Termination date: 20091230