CN204065308U - A kind of polycore cable is to line and fault detection system - Google Patents
A kind of polycore cable is to line and fault detection system Download PDFInfo
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- CN204065308U CN204065308U CN201420524583.3U CN201420524583U CN204065308U CN 204065308 U CN204065308 U CN 204065308U CN 201420524583 U CN201420524583 U CN 201420524583U CN 204065308 U CN204065308 U CN 204065308U
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Abstract
The utility model relates to polycore cable to line and fault detection system, and it comprises the identical polycore cable alignment device of two nested structures; Often be set with often cover polycore cable alignment device to be made up of power supply, display unit, data processing unit, MCU and cable proofreader terminal block; Wherein power supply is powered for other functional units, and MCU is connected with display unit, data processing unit respectively, and the cable proofreader terminal block in two cover polycore cable alignment devices is by needing to connect line and the polycore cable that carries out fault detect.This concept of system is ingenious, structure is simple, the basis of existing digital type conductor-pairing device for electric cable adds a set of polycore cable alignment device, thus can realize like a cork line and fault diagnosis, compare existing cable fault locator and simplified System's composition, reduce production cost and maintenance cost; In addition, this system has the identical polycore cable alignment device of two nested structures, can any switching laws master slave relation in use procedure, easy to use.
Description
Technical field
The utility model relates to polycore cable to line field, particularly relates to polycore cable to line and fault detection system.
Background technology
Polycore cable is usually applied to the transmission of the transmission and control signal of electric energy in short distance.Along with improving constantly of power equipment automatization level, the polycore cable used in electric system increases gradually.The cable service work frequently such as project of transmitting and converting electricity, relay protection, makes the requirement of cable proofreader, cable fault diagnosis more and more higher.Due to cable distance compared with long, core number is many, traditional checks the number to cable core to line mode, intricate operation, inefficiency and easily makeing mistakes.Existing digital type conductor-pairing device for electric cable comprises and generally includes near-end and accept voltage, the A/D change-over circuit connected successively, decoding scheme and display unit also comprise controller, the digital signal output end of A/D change-over circuit is connected with the digital signal input end of controller, the display output terminal of controller is connected with the display control signal end of display unit, contain sequence of threads in controller, this to sequence of threads by setting up the physical model of cable, the correlative factor of analyzing influence cable proofreader reliability, particularly when cable exists the disconnected special circumstances such as stock or short circuit, on the impact of cable proofreader reliability, thus realize fast, automatically provide the number plate of test heart yearn and opposite end thereof.Although this digital cable line connector structure is simple, not high to line reliability, simultaneously due to the factor of cost, its controller can only complete a heart yearn at every turn, and still will determine that the shielding line of cable was as concentric line before to line.
Cable, due to the impact of the undesirable elements such as and high/low temperature moist by ablation, burn into, adds that partial cables is mobile laying, is easily squeezed, stretches, the External Force Acting such as moment of flexure and moment of torsion, and cable in use inevitably breaks down.Cable fault diagnosis is intended to type and the order of severity of determining fault, so that tester selects suitable Cable fault examination method to suit the remedy to the case.Cable fault diagnosis mainly comprises these three contents of identification of the tentative diagnosis of nature of trouble, fault localization and accurately location, fault type, mainly contain cable fault detection instrument, cable fault locator etc. at present, these instruments generally include main control system, cable trace and position determination of fault instrument, high pressure generator, cable identifier, current sampler and impulse capacitor etc., although it is very fast that existing cable fault detection instrument or cable fault locator detect detection speed, but complex structure, manufacture and maintenance cost all very high, therefore make it use and be subject to a definite limitation.All there is fault diagnostic program in existing main control system, the fault diagnostic program be somebody's turn to do is mainly through the physical characteristics of simulation analysis cable break and short circuit, utilize detection streamer to break and the algorithm of short circuit, analytic signal time and frequency domain characteristics, utilize neutral point current and rate of change and detection momentary excess current etc. to carry out Incipient Fault Diagnosis.Polycore cable breaks down becomes a key factor of influential system global reliability.On the one hand, the reliability of development to polycore cable of equipment is had higher requirement; On the other hand, owing to lacking effective checkout equipment in the production of cable, maintenance and maintenance, potential cable fault can not by Timeliness coverage, cause occurring in armament-related work abnormal.
In sum, in prior art, line and fault diagnosis are carried out respectively, complete and the diverse equipment of two covers is not only needed to line and fault diagnosis, add cost, heavier is due to cannot carry out fault detect fast and localization of fault to polycore cable to during line, cause a large amount of multicore failure cable to repair and to scrap, cause the wasting of resources and environmental pollution.
Utility model content
Above-mentioned for existing existence, the purpose of this utility model how to provide that a kind of structure is simple, production cost is low, and can have the system to line and fault diagnosis functions.
For achieving the above object, the utility model adopts following technical scheme: a kind of polycore cable, to line and fault detection system, comprises the polycore cable alignment device that two nested structures are identical; The described polycore cable alignment device that often overlaps is made up of power supply, display unit, data processing unit, MCU and cable proofreader terminal block; Described power supply is respectively display unit and data processing unit is powered; The display information input terminal of described display unit is connected with the display output terminal of MCU, a signal input part of described data processing unit is connected with the signal output part of cable proofreader terminal block, another signal input part of data processing unit is connected with first signal output part of MCU, a signal output part of data processing unit is connected with the secondary signal input end of MCU, and another signal output part of data processing unit is connected with the signal input part of cable proofreader terminal block; Cable proofreader terminal block in two cover polycore cable alignment devices are respectively used to connect to be needed to carry out to line and the two ends of polycore cable of carrying out fault detect.
As optimization, also comprise voice communication units and signal transmitting unit; Described power supply is respectively voice communication units and signal transmitting unit is powered; The voice digital signal output terminal of described voice communication units is connected with the voice digital signal input end of MCU, the voice digital signal input end of voice communication units is connected with the voice signal digital output end of MCU, and the signal output part of described signal transmitting unit is connected with first signal input part of MCU.
As optimization, described voice communication units comprises two voice signal paths; Wherein one article of voice signal path comprises microphone, the first amplifying circuit of analog signal, the first wave filter and the A/D conversion subelement connected successively, and a described A/D changes the digital signal output end of subelement and is connected with the voice digital signal input end of MCU; Another article of voice signal path comprises the 2nd A/D connected successively and changes subelement, the second wave filter, the second amplifying circuit of analog signal and loudspeaker, and described 2nd A/D changes the digital signal input end of subelement and is connected with the voice digital signal output terminal of MCU.
As optimization, described signal transmitting unit comprises interconnective signal projector and the 3rd A/D changes subelement, described 3rd A/D changes the digital signal output end of subelement and is connected with first signal input part of MCU, and the 3rd A/D changes the digital signal input end of subelement and is connected with first signal input part of MCU.
As optimization, described data processing unit comprises interconnective signal conditioning circuit and the 4th A/D changes subelement; Described 4th A/D changes the digital signal output end of subelement and is connected with the secondary signal input end of MCU, and the first signal output part that the 4th A/D changes the digital signal input end MCU of subelement connects; The signal input part of described signal conditioning circuit is connected with the signal output part of cable proofreader terminal block.
As optimization, described MCU adopts TMS320C6747 chip.
Compared with prior art, the utility model advantage is; This concept of system that the utility model provides is ingenious, and structure is simple; This system is improved on the basis of existing digital type conductor-pairing device for electric cable, the polycore cable alignment device that two covers are identical, thus can realize like a cork line and fault diagnosis, compare the formation of existing cable fault detection instrument or cable fault locator, simplify System's composition, thus reduce production cost and maintenance cost; In addition, this system has the identical polycore cable alignment device of two nested structures, can any switching laws master slave relation in use procedure, easy to use.
Accompanying drawing explanation
The polycore cable that Fig. 1 provides for the utility model is to the structural representation of line and fault detection system.
The polycore cable that Fig. 2 provides for the utility model is to line and the detailed structural representation of fault detection system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
See Fig. 1 and Fig. 2, a kind of polycore cable, to line and fault detection system, comprises the polycore cable alignment device that two nested structures are identical, i.e. cable pairing device I and polycore cable alignment device II.Often overlap polycore cable alignment device to be made up of power supply, voice communication units, display unit, signal transmitting unit, data processing unit, MCU and cable proofreader terminal block.
Power supply is respectively voice communication units, signal transmitting unit, display unit and data processing unit and powers, the voice digital signal output terminal of described voice communication units is connected with the voice digital signal input end of MCU, the voice digital signal input end of voice communication units is connected with the voice signal digital output end of MCU, the display information input terminal of described display unit is connected with the display output terminal of MCU, the signal output part of described signal transmitting unit is connected with first signal input part of MCU, a signal input part of described data processing unit is connected with the signal output part of cable proofreader terminal block, another signal input part of data processing unit is connected with first signal output part of MCU, a signal output part of data processing unit is connected with the secondary signal input end of MCU, another signal output part of data processing unit is connected with the signal input part of cable proofreader terminal block, cable proofreader terminal block in two cover polycore cable alignment devices is by needing line and the polycore cable connection carrying out fault detect.
Described voice communication units comprises two voice signal paths, can complete the transmitting-receiving of voice signal respectively, realize function of voice communication; Wherein one article of voice signal path comprises microphone, the first amplifying circuit of analog signal, the first wave filter and the A/D conversion subelement connected successively, and a described A/D changes the digital signal output end of subelement and is connected with the voice digital signal input end of MCU; Another article of voice signal path comprises the 2nd A/D connected successively and changes subelement, the second wave filter, the second amplifying circuit of analog signal and loudspeaker, and described 2nd A/D changes the digital signal input end of subelement and is connected with the voice digital signal output terminal of MCU.
Described signal transmitting unit comprises interconnective signal projector and the 3rd A/D changes subelement, signal can be sent to MCU, described 3rd A/D changes the digital signal output end of subelement and is connected with first signal input part of MCU, and the 3rd A/D changes the digital signal input end of subelement and is connected with first signal input part of MCU.
Described data processing unit comprises interconnective signal conditioning circuit and the 4th A/D changes subelement, can complete the quick exchange of cable two ends to line information; Described 4th A/D changes the digital signal output end of subelement and is connected with the secondary signal input end of MCU, and the first signal output part that the 4th A/D changes the digital signal input end MCU of subelement connects; The signal input part of described signal conditioning circuit is connected with the signal output part of cable proofreader terminal block.Needing ben is be not inventive point of the present utility model to sequence of threads and fault diagnostic program.MCU inside be all prior art to sequence of threads and fault diagnostic program, and inventive point of the present utility model is well to combine in prior art to line and fault diagnosis.During concrete use during this system, can use with the TMS320C6747 chip to sequence of threads and fault diagnostic program, TMS320C6747 chip internal memory is large, and compatible better.Display unit coordinate in MCU to sequence of threads and fault diagnostic program, MCU result is shown in real time.
First amplifying circuit of analog signal, second amplifying circuit of analog signal, first wave filter and the second wave filter are all very ripe prior aries, the function of the one A/D subelement, the 2nd A/D subelement, the 3rd A/D subelement and the 4th A/D subelement is the mutual conversion realizing simulating signal and digital signal, also be very ripe prior art, during concrete use, MAX1320 analog-digital chip or AD7606 analog-digital chip can be adopted.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. polycore cable is to line and a fault detection system, it is characterized in that: comprise the polycore cable alignment device that two nested structures are identical;
The described polycore cable alignment device that often overlaps is made up of power supply, display unit, data processing unit, MCU and cable proofreader terminal block;
Described power supply is respectively display unit and data processing unit is powered;
The display information input terminal of described display unit is connected with the display output terminal of MCU, a signal input part of described data processing unit is connected with the signal output part of cable proofreader terminal block, another signal input part of data processing unit is connected with first signal output part of MCU, a signal output part of data processing unit is connected with the secondary signal input end of MCU, and another signal output part of data processing unit is connected with the signal input part of cable proofreader terminal block;
Cable proofreader terminal block in described two cover polycore cable alignment devices are respectively used to connect to be needed to carry out to line and the two ends of polycore cable of carrying out fault detect.
2. polycore cable as claimed in claim 1 is to line and fault detection system, it is characterized in that: also comprise voice communication units and signal transmitting unit;
Described power supply is respectively voice communication units and signal transmitting unit is powered;
The voice digital signal output terminal of described voice communication units is connected with the voice digital signal input end of MCU, the voice digital signal input end of voice communication units is connected with the voice signal digital output end of MCU, and the signal output part of described signal transmitting unit is connected with first signal input part of MCU.
3. polycore cable as claimed in claim 2 is to line and fault detection system, it is characterized in that: described voice communication units comprises two voice signal paths;
Wherein one article of voice signal path comprises microphone, the first amplifying circuit of analog signal, the first wave filter and the A/D conversion subelement connected successively, and a described A/D changes the digital signal output end of subelement and is connected with the voice digital signal input end of MCU;
Another article of voice signal path comprises the 2nd A/D connected successively and changes subelement, the second wave filter, the second amplifying circuit of analog signal and loudspeaker, and described 2nd A/D changes the digital signal input end of subelement and is connected with the voice digital signal output terminal of MCU.
4. polycore cable as claimed in claim 2 is to line and fault detection system, it is characterized in that: described signal transmitting unit comprises interconnective signal projector and the 3rd A/D changes subelement, described 3rd A/D changes the digital signal output end of subelement and is connected with first signal input part of MCU, and the 3rd A/D changes the digital signal input end of subelement and is connected with first signal input part of MCU.
5. polycore cable as claimed in claim 1 is to line and fault detection system, it is characterized in that: described data processing unit comprises interconnective signal conditioning circuit and the 4th A/D changes subelement; Described 4th A/D changes the digital signal output end of subelement and is connected with the secondary signal input end of MCU, and the first signal output part that the 4th A/D changes the digital signal input end MCU of subelement connects; The signal input part of described signal conditioning circuit is connected with the signal output part of cable proofreader terminal block.
6. polycore cable as claimed in claim 1 is to line and fault detection system, it is characterized in that: described MCU adopts TMS320C6747 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420524583.3U CN204065308U (en) | 2014-09-12 | 2014-09-12 | A kind of polycore cable is to line and fault detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420524583.3U CN204065308U (en) | 2014-09-12 | 2014-09-12 | A kind of polycore cable is to line and fault detection system |
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| Publication Number | Publication Date |
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| CN204065308U true CN204065308U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420524583.3U Expired - Fee Related CN204065308U (en) | 2014-09-12 | 2014-09-12 | A kind of polycore cable is to line and fault detection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898652A (en) * | 2016-04-13 | 2016-08-24 | 南京铁道职业技术学院 | Sound playing matching circuit |
| CN108181542A (en) * | 2018-02-13 | 2018-06-19 | 李英锋 | Cable core line connector and its detection method |
| CN110161350A (en) * | 2018-02-15 | 2019-08-23 | 日立金属株式会社 | Multicore cable check device and its method and multi-coaxial cable assembly manufacturing method |
| CN111060850A (en) * | 2019-12-02 | 2020-04-24 | 国网河南省电力公司漯河供电公司 | Novel cable alignment device |
| CN111929616A (en) * | 2020-07-30 | 2020-11-13 | 广东电网有限责任公司 | Multi-channel cable detection method, system and computer readable storage medium |
-
2014
- 2014-09-12 CN CN201420524583.3U patent/CN204065308U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898652A (en) * | 2016-04-13 | 2016-08-24 | 南京铁道职业技术学院 | Sound playing matching circuit |
| CN108181542A (en) * | 2018-02-13 | 2018-06-19 | 李英锋 | Cable core line connector and its detection method |
| CN110161350A (en) * | 2018-02-15 | 2019-08-23 | 日立金属株式会社 | Multicore cable check device and its method and multi-coaxial cable assembly manufacturing method |
| CN110161350B (en) * | 2018-02-15 | 2023-01-10 | 日立金属株式会社 | Multi-core cable inspection device and method, and multi-core cable assembly manufacturing method |
| CN111060850A (en) * | 2019-12-02 | 2020-04-24 | 国网河南省电力公司漯河供电公司 | Novel cable alignment device |
| CN111929616A (en) * | 2020-07-30 | 2020-11-13 | 广东电网有限责任公司 | Multi-channel cable detection method, system and computer readable storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160912 |