CN108562824A - A kind of electric cable failure detector - Google Patents
A kind of electric cable failure detector Download PDFInfo
- Publication number
- CN108562824A CN108562824A CN201810639286.6A CN201810639286A CN108562824A CN 108562824 A CN108562824 A CN 108562824A CN 201810639286 A CN201810639286 A CN 201810639286A CN 108562824 A CN108562824 A CN 108562824A
- Authority
- CN
- China
- Prior art keywords
- unit
- signal
- microprocessing
- electric
- failure detector
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The present invention proposes a kind of electric cable failure detector comprising microprocessing unit, impulse generating unit, tested cable, signal condition shaping unit, detecting signal unit, AD conversion unit, wireless transmission unit, data storage cell and display unit；Impulse generating unit is electrically connected respectively at one end of microprocessing unit and tested cable；Signal condition shaping unit is electrically connected with the other end of tested cable and detecting signal unit respectively；Detecting signal unit is also electrically connected with microprocessing unit and AD conversion unit respectively；AD conversion unit, wireless transmission unit, data storage cell and display unit are electrically connected with microprocessing unit respectively.The present invention can improve the efficiency of the accuracy and detection of cable fault detection instrument detection detection, and facilitate repair and management.
Description
Technical field
The present invention relates to cable detection technical field more particularly to a kind of electric cable failure detectors.
Background technology
In power equipment, the conveying of the unimpeded and electric power of wire communication depends on the normal operation of cable run.Once
Obstacle occurs for circuit, will result in communication and the interruption of electric power, such as cannot find failure in time and be excluded rapidly, Jiu Huizao
At prodigious economic loss and undesirable social influence.Thus, electric cable failure detector is the important tool for safeguarding various cables.
Electric cable failure detector is a set of comprehensive Cable fault examination equipment, for power cable open circuit, short circuit, is connect
Ground, low-resistance, the test of high resistant flashover and high resistant leaks failure and coaxial communications cable and local cable open a way, are short
The accurate test of road failure；It can be tested the speed with test cable path, buried depth and electric wave, appraise and decide cable length etc., and can establish
Cable archives are so as to daily maintenance management.
Existing electric cable failure detector using when be easy by site environment factor interfere and influence measuring accuracy, nothing
Method is implemented to preserve multigroup test data and waveform.
Invention content
In view of this, the present invention proposes a kind of electric cable failure detector, cable fault detection instrument detection detection is improved
The efficiency of accuracy and detection, and facilitate repair and management.
The technical proposal of the invention is realized in this way：The present invention provides a kind of electric cable failure detectors, including：Micro- place
Manage unit, impulse generating unit, tested cable, signal condition shaping unit, detecting signal unit, AD conversion unit, wireless
Transmission unit, data storage cell and display unit；
Impulse generating unit is electrically connected respectively at one end of microprocessing unit and tested cable；
Signal condition shaping unit is electrically connected with the other end of tested cable and detecting signal unit respectively；
Detecting signal unit is also electrically connected with microprocessing unit and AD conversion unit respectively；
AD conversion unit, wireless transmission unit, data storage cell and display unit are electrical with microprocessing unit respectively
Connection.
On the basis of above technical scheme, it is preferred that detecting signal unit includes：Comparing unit and control of Electric potentials list
Member；
Comparing unit is electrically connected with signal condition shaping unit, control of Electric potentials unit and microprocessing unit respectively；
Control of Electric potentials unit is also electrically connected with AD conversion unit.
On the basis of above technical scheme, it is preferred that microprocessing unit controls the work and survey of electric cable failure detector
Try the processing operation of data.
On the basis of above technical scheme, it is preferred that send encoded signal to impulse generator, control pulse generation list
Member generates pulse, receives the result of AD conversion unit conversion and analysis, analysis result is stored in data storage cell and is controlled
Display unit processed shows that analysis result, control wireless transmission unit wirelessly send analysis result in power monitoring to
The heart.
On the basis of above technical scheme, it is preferred that impulse generating unit receives the encoded signal of microprocessor, and raw
It is passed at the adjustable unipolarity periodic voltage pulses of pulse width, then by the adjustable unipolarity periodic voltage pulses of pulse width
It send into tested cable.
On the basis of above technical scheme, it is preferred that signal condition shaping unit receives the reflection signal for being tested cable,
And reflection signal is amplified and is improved the reflection signal for being shaped as signal detection requirement, then the reflection signal after conditioning shaping is sent out
Give detecting signal unit.
Still more preferably, detecting signal unit receives the reflection signal after conditioning shaping, and carries out failure inspection to it
It surveys, then testing result is sent to microprocessing unit processing；
Control of Electric potentials unit provide reference voltage signal, comparing unit receives and compare conditioning shaping after emission signal with
Reference voltage signal, then comparison result is sent to microprocessing unit processing.
On the basis of above technical scheme, it is preferred that AD conversion unit acquires the reference that control of Electric potentials unit provides
Transformation result is simultaneously transmitted to microprocessing unit processing by voltage signal.
The present invention's has the advantages that compared with the existing technology：
(1) by the way that impulse generating unit, signal condition shaping unit, comparing unit, control of Electric potentials unit and wireless is arranged
Transmission unit, can improve the efficiency of the accuracy and detection of cable fault detection instrument detection detection, and facilitate repair and pipe
Reason；
(2) whole device can generate broad-adjustable periodical unipolar pulse, and can will be anti-in tested cable
The signal that signal condition is shaped as signal detection requirement is penetrated, applied widely, test simplicity, precision are high.
(3) whole device further includes wireless transmission unit, the result that testing result and microprocessing unit can be analyzed with
It is wirelessly transferred to power monitoring center, manpower is saved, facilitates repair.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of electric cable failure detector of the present invention；
Fig. 2 is a kind of further structural schematic diagram of electric cable failure detector of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only some embodiments of the invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, in conjunction with Fig. 2, electric cable failure detector of the invention comprising：Microprocessing unit, pulse generation list
Member, tested cable, signal condition shaping unit, comparing unit, control of Electric potentials unit, AD conversion unit, wireless transmission unit,
Data storage cell and display unit.
Microprocessing unit controls the work of electric cable failure detector and the processing operation of test data.It is compiled specifically, sending
Code signal generates pulse to impulse generator, control impulse generating unit, receives the result of AD conversion unit conversion and analysis,
Analysis result is stored in data storage cell and control display unit shows analysis result, control wireless transmission unit is with wireless
Mode send analysis result to power monitoring center.Microprocessing unit respectively with impulse generating unit, comparing unit, modulus
Converting unit, wireless transmission unit, data storage cell and display unit are electrically connected.
Impulse generating unit, receives the encoded signal of microprocessor, and it is periodical to generate the adjustable unipolarity of pulse width
Voltage pulse, then the adjustable unipolarity periodic voltage pulses of pulse width are sent in tested cable.Impulse generating unit
It is electrically connected respectively with one end of microprocessing unit and tested cable.
Signal condition shaping unit receives the reflection signal for being tested cable, and reflection signal is amplified and improved and is shaped as letter
The reflection signal of number testing requirements, then it is sent to detecting signal unit by the reflection signal after shaping is improved.Signal condition shaping
Unit is electrically connected with the other end of tested cable and comparison unit respectively.
Control of Electric potentials unit, provides reference voltage signal.Control of Electric potentials unit respectively with comparing unit and analog-to-digital conversion list
Member is electrically connected.
Comparing unit receives and compares emission signal and reference voltage signal after conditioning shaping, then comparison result is passed
It send to microprocessing unit processing.Comparing unit is electric with signal condition shaping unit, control of Electric potentials unit and microprocessing unit respectively
Property connection.
The result that microprocessing unit is analyzed wirelessly is sent to power monitoring center by wireless transmission unit.Nothing
Line transmission unit is electrically connected with microprocessing unit.
Data storage cell, the result of storage detecting signal unit detection and microprocessing unit analysis as a result, convenient
The calling of later data.Data storage cell is electrically connected with microprocessor.
Display unit shows testing result and analysis result.Display unit is electrically connected with microprocessor.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of electric cable failure detector comprising microprocessing unit, it is characterised in that：Further include impulse generating unit, tested
Cable, signal condition shaping unit, detecting signal unit, AD conversion unit, wireless transmission unit, data storage cell and aobvious
Show unit；
The impulse generating unit is electrically connected with one end of the microprocessing unit and the tested cable respectively；
The signal condition shaping unit is electrically connected with the other end of the tested cable and the detecting signal unit respectively；
The detecting signal unit is also electrically connected with the microprocessing unit and the AD conversion unit respectively；
The AD conversion unit, the wireless transmission unit, the data storage cell and the display unit respectively with institute
State microprocessing unit electric connection.
2. a kind of electric cable failure detector as described in claim 1, it is characterised in that：The detecting signal unit includes：Than
To unit and control of Electric potentials unit；
The comparing unit is electric with the signal condition shaping unit, the control of Electric potentials unit and the microprocessing unit respectively
Property connection；
The control of Electric potentials unit is also electrically connected with the AD conversion unit.
3. a kind of electric cable failure detector as described in claim 1, it is characterised in that：The microprocessing unit controls the electricity
The work of cable failure tester and the processing operation of test data.
4. sending encoded signal to the impulse generator, controls the impulse generating unit and generate pulse, receive the modulus
The result of converting unit conversion and analysis, are stored in the data storage cell by analysis result and control the display unit and show
Show analysis result, controls the wireless transmission unit and wirelessly send analysis result to power monitoring center.
5. a kind of electric cable failure detector as described in claim 1, it is characterised in that：Described in the impulse generating unit receives
The encoded signal of microprocessor, and the adjustable unipolarity periodic voltage pulses of pulse width are generated, then pulse width is adjustable
Unipolarity periodic voltage pulses be sent in the tested cable.
6. a kind of electric cable failure detector as described in claim 1, it is characterised in that：The signal condition shaping unit receives
The reflection signal of the tested cable, and the reflection signal is amplified and improves the reflection letter for being shaped as signal detection requirement
Number, then the reflection signal after conditioning shaping is sent to the detecting signal unit.
7. a kind of electric cable failure detector as claimed in claim 2, it is characterised in that：The detecting signal unit receives conditioning
Reflection signal after shaping, and fault detect is carried out to it, then testing result is sent to the microprocessing unit and is handled；
The control of Electric potentials unit provides reference voltage signal, and the comparing unit receives and compares the radiation letter after conditioning shaping
Number and the reference voltage signal, then comparison result is sent to the microprocessing unit and is handled.
8. a kind of electric cable failure detector as described in claim 1, it is characterised in that：Described in the AD conversion unit acquisition
Transformation result is simultaneously transmitted to the microprocessing unit processing by the reference voltage signal of control of Electric potentials unit offer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810639286.6A CN108562824A (en) | 2018-06-20 | 2018-06-20 | A kind of electric cable failure detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810639286.6A CN108562824A (en) | 2018-06-20 | 2018-06-20 | A kind of electric cable failure detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108562824A true CN108562824A (en) | 2018-09-21 |
Family
ID=63554322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810639286.6A Pending CN108562824A (en) | 2018-06-20 | 2018-06-20 | A kind of electric cable failure detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108562824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703127A (en) * | 2019-11-01 | 2020-01-17 | 中国人民解放军海军航空大学 | Airplane cable fault detection device and detection method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095163A (en) * | 1993-05-07 | 1994-11-16 | 韩伯锋 | High-intelligent cable fault scintillation detector |
| CN201145721Y (en) * | 2008-01-25 | 2008-11-05 | 东南大学 | Multifunctional cable fault tester |
| CN102680855A (en) * | 2012-05-15 | 2012-09-19 | 东南大学 | Cable fault detecting and positioning method based on waveform replication |
| CN202602385U (en) * | 2012-05-15 | 2012-12-12 | 航天科工深圳（集团）有限公司 | Wireless power transmission device |
| CN106290453A (en) * | 2016-08-30 | 2017-01-04 | 电子科技大学 | A kind of detection method of material solidification |
| CN106291241A (en) * | 2016-08-11 | 2017-01-04 | 国网天津市电力公司 | A kind of electric power cable intelligent fault warning system |
| CN106646156A (en) * | 2016-11-30 | 2017-05-10 | 国网河南省电力公司滑县供电公司 | Power cable partial discharge online monitoring system |
-
2018
- 2018-06-20 CN CN201810639286.6A patent/CN108562824A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095163A (en) * | 1993-05-07 | 1994-11-16 | 韩伯锋 | High-intelligent cable fault scintillation detector |
| CN201145721Y (en) * | 2008-01-25 | 2008-11-05 | 东南大学 | Multifunctional cable fault tester |
| CN102680855A (en) * | 2012-05-15 | 2012-09-19 | 东南大学 | Cable fault detecting and positioning method based on waveform replication |
| CN202602385U (en) * | 2012-05-15 | 2012-12-12 | 航天科工深圳（集团）有限公司 | Wireless power transmission device |
| CN106291241A (en) * | 2016-08-11 | 2017-01-04 | 国网天津市电力公司 | A kind of electric power cable intelligent fault warning system |
| CN106290453A (en) * | 2016-08-30 | 2017-01-04 | 电子科技大学 | A kind of detection method of material solidification |
| CN106646156A (en) * | 2016-11-30 | 2017-05-10 | 国网河南省电力公司滑县供电公司 | Power cable partial discharge online monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703127A (en) * | 2019-11-01 | 2020-01-17 | 中国人民解放军海军航空大学 | Airplane cable fault detection device and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104157195B (en) | Power cable fault simulation and positioning system | |
| CN107064648B (en) | The detection device and method of the lightning-arrest lead resistance value of blower fan pylon based on leakage cable | |
| SA110320002B1 (en) | Line Fault Detector | |
| CN103487727A (en) | Method for locating breakdowns of high-voltage power cable outer sheath on line | |
| CN109116126B (en) | Method and system for monitoring and evaluating shielding effectiveness of shielding layer of communication cable on line | |
| CN106771900A (en) | Switch cubicle big data state evaluating method and system based on intelligent shelf depreciation live detection | |
| CN103675623A (en) | Method and system for detecting partial discharging of GIS under impulse voltage | |
| CN105911499A (en) | Ultrasonically local discharging metering system under onsite environment and method | |
| CN108548962A (en) | A kind of grounded screen alternating current and direct current and impulse resistance integrated test system and method | |
| CN106124950A (en) | High voltage electric transmission cable on-line measuring device | |
| CN104914297B (en) | A kind of lightning current parameter detection equipment and monitoring and positioning method | |
| CN204422659U (en) | A kind of grounding net of transformer substation Transient grounding resistance and the automatic test diagnosis equipment of response | |
| CN107561417A (en) | A kind of distributed partial discharge detecting system | |
| CN204214974U (en) | High voltage power cable terminal on-Line Monitor Device | |
| CN105929284A (en) | Wireless tester and testing method for live-line measuring zinc oxide arrester | |
| CN102540013A (en) | Transformer substation grounding network frequency response test device | |
| CN108562824A (en) | A kind of electric cable failure detector | |
| CN102650654A (en) | Operation performance on-line assessment method for power transformer iron core and clamping piece grounding current monitoring device | |
| CN204044291U (en) | Based on the online fault locator of GPS and 3G telecommunication cable | |
| CN203405561U (en) | Direct current power source grounding fault searching device | |
| CN107121657A (en) | A kind of integrated live testing apparatus for local discharge check system and method | |
| CN207964994U (en) | Grounding net of transformer substation health status detection device | |
| CN206038784U (en) | Live line measurement zinc oxide arrester's wireless tester | |
| CN102495334B (en) | Multitrace traveling wave distance measurement method for power cable faults | |
| CN113820536A (en) | Zinc oxide arrester live-line detection method based on wireless synchronous current measurement technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |