CN102590714A - Electric wire fault detector - Google Patents
Electric wire fault detector Download PDFInfo
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- CN102590714A CN102590714A CN2012100415551A CN201210041555A CN102590714A CN 102590714 A CN102590714 A CN 102590714A CN 2012100415551 A CN2012100415551 A CN 2012100415551A CN 201210041555 A CN201210041555 A CN 201210041555A CN 102590714 A CN102590714 A CN 102590714A
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Abstract
The invention relates to an electric wire fault detector, which comprises an electric wire fault detector working circuit arranged on a handle body of a pliers-type support, wherein the electric wire fault detector working circuit comprises an electric wire fault detector, a location signal receiver, a fault inductive probe, a location signal sensor, a path signal sensor, a path signal generator and a high energy impact signal generator; the inner side body of an arc-shaped jaw of the pliers-type support is also provided with an audio signal inductive probe, and a screening can with a channeled section is arranged on the periphery of the audio signal inductive probe. The electric wire fault detector has advantages of simple structure, small volume, conciseness, low cost, stability in operation, high antijamming capability and high detecting accuracy, has the functions of avoiding a core-breaking unstable state and increasing detection efficiency as well as avoiding omission and lightening labor intensity of workers, can be applied to the field of electric wire fault detection of various power supply and distribution systems, and can also be used for rapidly and accurately measuring and searching faults of electric wires with various types and voltage-resisting grades.
Description
Technical field
What the present invention relates to is electric wire fault detect field, and what be specifically related to is a kind of electric wire malfunction detector.
Background technology
High speed development along with China's economic construction; In the application of departments such as industrial and mining enterprises, harbour, railway, airport, defence engineering and urban electricity supply more and more widely there are " nerve " of national economy and the title of " blood vessel " in buried power cord cable power supply system.Inner disconnected core fault often takes place because of reasons such as insulation ag(e)ing, load short circuits, mass defects own in electric wire in actual use; Particularly some are connected the various electric wires of construction equipment and electric tool in building operation building site and industrial and mining enterprises, because environment for use is poor, often move; Receive more easily as: pull; Roll, injure by a crashing object, disconnected core fault takes place in outside destroy such as frequent bending.Because the crust parcel is arranged; Disconnected core trouble spot takes place does not usually go wrong to the eye; How to search disconnected core trouble spot fast and accurately and become a difficult problem; Therefore diagnosing and predict power cable fault effectively, quickly and accurately, is to guarantee the power cable electric power system, the assurance of the reliable and secure operation of especially buried power cable electric power system.
Existing commonly used detection technique as: cable is connect the 220V civil power, and through detection failure point on induction electroprobe or the extra-skin of digital versatile, this kind method detection accuracy is low, and connecing the 220V civil power has Danger Electric shock risk again.And commercially available professional cable cable malfunction detector all is to be applicable to that the shop is embedded in underground power cable and communication cable; Functions of the equipments are complicated; Involve great expense, and the safe reliability of product operation is not high, and carries transportation and all very inconvenience of operation; Be not suitable for general electrical maintenance personnel and dynamo-electric maintenance personal and use, and to the detection of little line footpath, low value electric wire.
Summary of the invention
To the deficiency that exists on the prior art; The object of the invention provides a kind of simple in structure; With low cost, the strong and high electric wire malfunction detector of accuracy of detection of antijamming capability can rapid and precise be surveyed the fault of seeking polytype, voltage withstand class power cable; Improved detection efficiency, avoided omission and alleviate the labour intensity that detects the worker.
To achieve these goals, the present invention realizes through following technical scheme:
The electric wire malfunction detector; Comprise detection of cable fault appearance operating circuit; It is characterized in that: said breakpoint of cable detection instrument operating circuit is mounted on the handle body of jaw type support, and this detection of cable fault appearance operating circuit comprises electric wire failure tester, positioning signal receiver, fault inductive probe, positioning signal sensor, path signal sensor, path signal generator and high energy impact signal generator; Tested cable one tunnel is connected with the electric wire failure tester, and another road is connected to the audio signal input end of electric wire failure tester through the fault inductive probe; Said electric wire failure tester is provided with audio signal output end that is connected with tested cable head and the earth terminal that is connected with tested cable end piece; 2 fens two-way of said high energy impact signal generator are connected with tested cable; The path signal generator is connected with tested cable; Tested cable is connected with the positioning signal receiver through the positioning signal sensor, and signal transducer is connected with the positioning signal receiver tested cable through the path; Also be provided with the said sound signal inductive probe of sound signal inductive probe periphery in the arc vice jaw of said jaw type support on the lateral body and be provided with section and be flute profile, concentrate the radome that receives induced signal from notch one side in order to probe.
Separated by insulating material between said sound signal inductive probe and the metallic shield, said metallic shield is connected with said breakpoint of cable detection instrument operating circuit earth terminal.
Above-mentioned electric wire failure tester comprises power module, signal processing module, pulse control module, pulse generation module, system bus control module and analog-to-digital conversion module; The back pulse input signal outputs to the system bus control module through analog-to-digital conversion module; System bus control module one tunnel is connected with signal processing module; Another road is connected with pulse control module, pulse generation module successively, and power module is connected with signal processing module, pulse control module, analog-to-digital conversion module.
The present invention is simple in structure, and advantages of small volume is succinct directly perceived; With low cost, working stability, antijamming capability is strong; Accuracy of detection is high, and has disconnected core state labile, improves detection efficiency, avoids omission and alleviates the labour intensity that detects the worker; Can be applied in the electric wire fault detect field of various power supply-distribution systems, can rapid and precise survey the fault of seeking polytype, voltage withstand class power cable.
Description of drawings
Specify the present invention below in conjunction with accompanying drawing and embodiment;
Fig. 1 is a module diagram of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1; The electric wire malfunction detector of present embodiment; Comprise detection of cable fault appearance operating circuit; This breakpoint of cable detection instrument operating circuit is installed on the handle body of jaw type support, and this detection of cable fault appearance operating circuit comprises electric wire failure tester 4, positioning signal receiver 5, fault inductive probe 3, positioning signal sensor 6, path signal sensor 7, path signal generator 8 and high energy impact signal generator 2; Tested cable one tunnel is connected with electric wire failure tester 4, and another road is connected to the audio signal input end of electric wire failure tester 4 through fault inductive probe 3; Said electric wire failure tester 4 is provided with audio signal output end that is connected with tested cable 1 head end and the earth terminal that is connected with tested cable 1 end; 2 fens two-way of said high energy impact signal generator are connected with tested cable 1; Path signal generator 8 is connected with tested cable 1; Tested cable 1 is connected with positioning signal receiver 5 through positioning signal sensor 6, and signal transducer 7 is connected with positioning signal receiver 5 tested cable 1 through the path.
In the present embodiment, in the arc vice jaw of jaw type support, also be provided with the said sound signal inductive probe of sound signal inductive probe periphery on the lateral body and be provided with section and be flute profile, concentrate the radome that receives induced signal from notch one side in order to probe.The electric wire failure tester 4 of present embodiment comprises power module, signal processing module, pulse control module, pulse generation module, system bus control module and analog-to-digital conversion module; The back pulse input signal outputs to the system bus control module through analog-to-digital conversion module; System bus control module one tunnel is connected with signal processing module; Another road is connected with pulse control module, pulse generation module successively, and power module is connected with signal processing module, pulse control module, analog-to-digital conversion module.
In addition, separated by insulating material between sound signal inductive probe and the metallic shield, said metallic shield is connected with said breakpoint of cable detection instrument operating circuit earth terminal.
The course of work of the present invention: the heart yearn of at first measuring the disconnected core of failure cable with the on off test function of multimeter or instrument itself; Audio signal output end is received an end of fault heart yearn, and an other end of remaining heart yearn and cable is all through earth terminal ground connection.The shell of fault inductive probe 3 is processed by insulating material, and shape such as pincers type reometer probe profile are circular ring type active open structure, and inside is made up of two metallic shields.
At cable peripheral (end that sound signal is injected), this moment, LED1 should be luminous with probe clip, and will pop one's head in and move along cable, when moving to the position that LED1 is gone out by bright change, promptly be disconnected core point here.Also can be random survey in the cable optional position, when LED1 is gone out by bright change, the position that perhaps brightens by going out promptly is disconnected core point.When running into the unsettled cable of breakpoint, be communicated with again owing to detect the point of interruption, hummer and LED2 can send sound and light alarm.Can stop mobile probe this moment, uses the hand wobble cable, waits to report to the police to disappear, and connectivity points is separated the detection before the continued.
The present invention is through technique scheme, and in the reality test, it is simple in structure; Advantages of small volume, succinct directly perceived, with low cost; Working stability, antijamming capability is strong, and accuracy of detection is high; And have disconnected core state labile, improve detection efficiency, avoid omission and alleviate the labour intensity that detects the worker, can be applied in the electric wire fault detect field of various power supply-distribution systems.Can rapid and precise survey the fault of seeking polytype, voltage withstand class power cable.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. electric wire malfunction detector; Comprise detection of cable fault appearance operating circuit; It is characterized in that: said breakpoint of cable detection instrument operating circuit is mounted on the handle body of jaw type support, and this detection of cable fault appearance operating circuit comprises electric wire failure tester, positioning signal receiver, fault inductive probe, positioning signal sensor, path signal sensor, path signal generator and high energy impact signal generator; Tested cable one tunnel is connected with the electric wire failure tester, and another road is connected to the audio signal input end of electric wire failure tester through the fault inductive probe; Said electric wire failure tester is provided with audio signal output end that is connected with tested cable head and the earth terminal that is connected with tested cable end piece; Said high energy impact signal generator divides two-way to be connected with tested cable; The path signal generator is connected with tested cable; Tested cable is connected with the positioning signal receiver through the positioning signal sensor, and signal transducer is connected with the positioning signal receiver tested cable through the path; Also be provided with the said sound signal inductive probe of sound signal inductive probe periphery in the arc vice jaw of said jaw type support on the lateral body and be provided with section and be flute profile, concentrate the radome that receives induced signal from notch one side in order to probe.
2. electric wire malfunction detector according to claim 1 is characterized in that, is separated by insulating material between said sound signal inductive probe and the metallic shield, and said metallic shield is connected with said breakpoint of cable detection instrument operating circuit earth terminal.
3. electric wire malfunction detector according to claim 1; It is characterized in that; Above-mentioned electric wire failure tester comprises power module, signal processing module, pulse control module, pulse generation module, system bus control module and analog-to-digital conversion module; The back pulse input signal outputs to the system bus control module through analog-to-digital conversion module; System bus control module one tunnel is connected with signal processing module, and another road is connected with pulse control module, pulse generation module successively, and power module is connected with signal processing module, pulse control module, analog-to-digital conversion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210041555.1A CN102590714B (en) | 2012-02-23 | 2012-02-23 | Electric wire fault detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210041555.1A CN102590714B (en) | 2012-02-23 | 2012-02-23 | Electric wire fault detector |
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| Publication Number | Publication Date |
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| CN102590714A true CN102590714A (en) | 2012-07-18 |
| CN102590714B CN102590714B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210041555.1A Expired - Fee Related CN102590714B (en) | 2012-02-23 | 2012-02-23 | Electric wire fault detector |
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| CN (1) | CN102590714B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499773A (en) * | 2013-10-08 | 2014-01-08 | 西安恒讯电力科技有限公司 | Cable fault testing device capable of detecting through eight-pulse method |
| CN109557404A (en) * | 2018-09-05 | 2019-04-02 | 六安市新图匠心知识产权运营有限公司 | The low temperature resistant intensity of ocean engineering cable and corrosion resistance detection device |
| CN114152898A (en) * | 2021-10-19 | 2022-03-08 | 广州电缆厂有限公司 | Cable core breakage detection device |
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| CN1207500A (en) * | 1998-08-26 | 1999-02-10 | 北京英康通用电力技术有限公司 | Method and system for detecting failure in distribution network |
| CN201408241Y (en) * | 2009-03-31 | 2010-02-17 | 孟庆贤 | Cable failure detection instrument |
| CN101782621A (en) * | 2010-03-23 | 2010-07-21 | 淄博威特电气有限公司 | Method and device for judging fault point locations in cable protective layer fault detection |
| CN202025064U (en) * | 2011-04-28 | 2011-11-02 | 刘喆 | Wire breakage detector for cable |
| CN102253312A (en) * | 2011-06-01 | 2011-11-23 | 刘喆 | Cable breakage detector |
| CN202057758U (en) * | 2011-03-29 | 2011-11-30 | 王昌明 | Wire cable fault diagnosis apparatus system |
| CN202486261U (en) * | 2012-02-23 | 2012-10-10 | 江苏三通仪器系统有限公司 | Wire and cable fault detector |
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2012
- 2012-02-23 CN CN201210041555.1A patent/CN102590714B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1207500A (en) * | 1998-08-26 | 1999-02-10 | 北京英康通用电力技术有限公司 | Method and system for detecting failure in distribution network |
| CN201408241Y (en) * | 2009-03-31 | 2010-02-17 | 孟庆贤 | Cable failure detection instrument |
| CN101782621A (en) * | 2010-03-23 | 2010-07-21 | 淄博威特电气有限公司 | Method and device for judging fault point locations in cable protective layer fault detection |
| CN202057758U (en) * | 2011-03-29 | 2011-11-30 | 王昌明 | Wire cable fault diagnosis apparatus system |
| CN202025064U (en) * | 2011-04-28 | 2011-11-02 | 刘喆 | Wire breakage detector for cable |
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| CN202486261U (en) * | 2012-02-23 | 2012-10-10 | 江苏三通仪器系统有限公司 | Wire and cable fault detector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499773A (en) * | 2013-10-08 | 2014-01-08 | 西安恒讯电力科技有限公司 | Cable fault testing device capable of detecting through eight-pulse method |
| CN109557404A (en) * | 2018-09-05 | 2019-04-02 | 六安市新图匠心知识产权运营有限公司 | The low temperature resistant intensity of ocean engineering cable and corrosion resistance detection device |
| CN109557404B (en) * | 2018-09-05 | 2020-11-06 | 六安市匠心信息科技有限公司 | Low-temperature-resistant strength and corrosion resistance detection device for cable for ocean engineering |
| CN114152898A (en) * | 2021-10-19 | 2022-03-08 | 广州电缆厂有限公司 | Cable core breakage detection device |
| CN114152898B (en) * | 2021-10-19 | 2023-10-17 | 广州电缆厂有限公司 | Cable broken core detection device |
Also Published As
| Publication number | Publication date |
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| CN102590714B (en) | 2014-11-19 |
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