CN107132446A - A kind of fault detector of high reliability, high precision - Google Patents
A kind of fault detector of high reliability, high precision Download PDFInfo
- Publication number
- CN107132446A CN107132446A CN201710495434.7A CN201710495434A CN107132446A CN 107132446 A CN107132446 A CN 107132446A CN 201710495434 A CN201710495434 A CN 201710495434A CN 107132446 A CN107132446 A CN 107132446A
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- CN
- China
- Prior art keywords
- fault detector
- high precision
- high reliability
- sensor
- spring
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Classifications
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- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Abstract
Disclosure of the invention a kind of high reliability, the fault detector of high precision, including sensing part and host machine part;Described sensing part includes short trouble sensor and ground fault sensor;Two flop mechanisms that cord grip, the housing bottom that host machine part, which includes the motion block that processing module and the GPRS transmitter modules, the cushion block that case top is set, the case top of cushion block both sides that housing, enclosure interior set set, the first spring set on the outside of motion block, cushion block both sides are arranged on by second spring extends internally are set, by rotating shaft installed in housing side solar panels.A kind of high reliability of the present invention, the fault detector of high precision, fault detector possesses short trouble alarm, simultaneously indicated with board turning, display function of glistening, maintainer can quickly find trouble point according to police instruction, drastically increase operating efficiency, shorten power off time, be effectively improved the reliability of power supply.
Description
Technical field
The present invention relates to a kind of fault detector, and in particular to a kind of high reliability, the fault detector of high precision.
Background technology
Germany originating from the 1980s, the purpose for inventing it is to indicate power line short-circuit electric current stream
The approach crossed, help people to find trouble point, and China introduces since the nineties grinds with learning overseas short circuit indicator
Technology processed, into twentieth century, people begin to focus on the signal teletransmission problem of short circuit indicator.Current line-failure indicator
There is sensitivity not high, false tripping rate is higher, energy storage has difficult point with reset, the shortcomings of checking needs artificial line walking.Power distribution network is single-phase
Earth fault accounts for distribution network failure ratio and is up to 70%, and the practical application effect of prior art is not satisfactory, needs integration badly
Solution improves the reliability and accuracy of line selection and location conscientiously, so that the security of distribution network operation is lifted, current state's net
Company payes attention to this working depth.
The content of the invention
In order to solve the above problems, disclosure of the invention a kind of high reliability, the fault detector of high precision.
The technical scheme is that:The fault detector of a kind of high reliability, high precision, including sensing part and master
Machine part;Described sensing part includes short trouble sensor and ground fault sensor;Host machine part includes housing, housing
What the processing module that inside is set and the case top of GPRS transmitter modules, the cushion block that case top is set, cushion block both sides were set
The first spring set on the outside of motion block, motion block, the cord grip, the housing that are extended internally by second spring installed in cushion block both sides
Bottom set two flop mechanisms, by rotating shaft be arranged on housing side solar panels;Described short trouble sensor
It is connected to and collects on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit and dress is conveyed by signal
Put and be connected with O&M terminal and monitoring substation;Described O&M terminal and monitoring substation is connected connects outer by signal transfer means
Apply signal generation apparatus;Described outer signal generation apparatus of applying includes some groups of first line groups being connected on three-phase bus;
Three lines of described three-phase bus are connected on main transformer device;Described first line group front end is provided with switch, in circuit group
Some fault detectors, circuit group middle part are provided with to be parallel with three and be provided with the second circuit group of fault detector, First Line
Outer construction frequency signal generation apparatus is also parallel with the group of road;A line-to-ground in the second described circuit group.
Further, described short trouble sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
Further, described ground fault sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
Further, described cord grip end is provided with the slipmat of quality of rubber materials.
Further, the first described spring is arc torsion spring.
Further, described host machine part carries flash lamp.
Further, described second spring one end carries circular mounting hole.
Beneficial effect
A kind of high reliability of the present invention, the fault detector of high precision, fault detector possess short trouble alarm,
Indicated simultaneously with board turning, display function of glistening, maintainer can quickly find trouble point according to police instruction, be greatly enhanced
Operating efficiency, shortens power off time, is effectively improved the reliability of power supply.
Brief description of the drawings
Fig. 1 is system block diagram of the invention.
Fig. 2 is the structural representation of fault detector collecting unit.
In figure, 1- cushion blocks, 2- motion blocks, the springs of 3- first, 4- second springs, 5- cord grips, 6- flop mechanisms, 7- shells
Body, 8- solar panels.
Embodiment
A kind of high reliability below in conjunction with the accompanying drawings to the present invention, the fault detector of high precision elaborate.
As depicted in figs. 1 and 2, a kind of high reliability, the fault detector of high precision, including sensing part and main frame portion
Point;Described sensing part includes short trouble sensor and ground fault sensor;Host machine part is including in housing 7, housing 7
The processing module that portion is set and the top of housing 7 of GPRS transmitter modules, the cushion block 1 that the top of housing 7 is set, the both sides of cushion block 1 are set
Motion block 2, the outside of motion block 2 set the first spring 3, be arranged on by second spring 4 line ball that the both sides of cushion block 1 extend internally and fill
Put two flop mechanisms 6 of the bottom of 5, housing 7 setting, the solar panels 8 of the side of housing 7 are arranged on by rotating shaft;Described is short
Road fault sensor, which is connected to, to be collected on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit to lead to
Signal transfer means are crossed with O&M terminal and monitoring substation to be connected;Described O&M terminal and monitoring substation is connected defeated by signal
Send device connection is outer to apply signal generation apparatus;Described outer signal generation apparatus of applying is connected on three-phase bus including some groups
First line group;Three lines of described three-phase bus are connected on main transformer device;Described first line group front end is provided with out
Some fault detectors, circuit group middle part are provided with pass, circuit group and are parallel with three the second lines for being provided with fault detector
Outer construction frequency signal generation apparatus is also parallel with road group, first line group;A circuit in the second described circuit group connects
Ground;Described short trouble sensor is separately mounted to built on stilts collecting unit and passed with the earth fault described in cable collecting unit
Sensor is separately mounted to built on stilts collecting unit and the end of cord grip 5 described in cable collecting unit is provided with quality of rubber materials
The first spring 3 described in slipmat is the host machine part described in arc torsion spring with one end band of second spring 4 described in flash lamp
There is circular mounting hole.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent variations and the modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (7)
1. the fault detector of a kind of high reliability, high precision, it is characterised in that:Including sensing part and host machine part;Institute
The sensing part stated includes short trouble sensor and ground fault sensor;Host machine part includes housing, enclosure interior and set
Processing module and GPRS transmitter modules, the cushion block that case top is set, the case top of cushion block the both sides motion block, the motion block that set
The first spring, the cord grip extended internally by second spring installed in cushion block both sides, the housing bottom of outside setting are set
Two flop mechanisms, by rotating shaft be arranged on housing side solar panels;Described short trouble sensor is connected to remittance
Collect on unit;Described ground fault sensor, which is connected to, to be collected on unit;Collect unit and pass through signal transfer means and O&M
Terminal and monitoring substation are connected;Described O&M terminal and monitoring substation is connected to be sent out by the outer signal of applying of signal transfer means connection
Generating apparatus;Described outer signal generation apparatus of applying includes some groups of first line groups being connected on three-phase bus;Described three
Three lines of phase bus are connected on main transformer device;If described first line group front end is provided with switch, is provided with circuit group
Dry fault detector, be parallel with the middle part of circuit group three be provided with the second circuit group of fault detector, in first line group also
It is parallel with outer construction frequency signal generation apparatus;A line-to-ground in the second described circuit group.
2. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
Short trouble sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
3. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
Ground fault sensor is separately mounted in built on stilts collecting unit and cable collecting unit.
4. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
Cord grip end is provided with the slipmat of quality of rubber materials.
5. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
First spring is arc torsion spring.
6. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
Host machine part carries flash lamp.
7. a kind of high reliability according to claim 1, the fault detector of high precision, it is characterised in that:Described
Second spring one end carries circular mounting hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710495434.7A CN107132446A (en) | 2017-06-26 | 2017-06-26 | A kind of fault detector of high reliability, high precision |
Applications Claiming Priority (1)
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CN201710495434.7A CN107132446A (en) | 2017-06-26 | 2017-06-26 | A kind of fault detector of high reliability, high precision |
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CN107132446A true CN107132446A (en) | 2017-09-05 |
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CN201710495434.7A Pending CN107132446A (en) | 2017-06-26 | 2017-06-26 | A kind of fault detector of high reliability, high precision |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109358267A (en) * | 2018-10-09 | 2019-02-19 | 国网湖南省电力有限公司 | A kind of distribution line power failure monitoring method based on fault detector |
CN109490691A (en) * | 2018-11-15 | 2019-03-19 | 湖南长高思瑞自动化有限公司 | Signal identification type fault detector and Fault Locating Method are applied outside a kind of |
CN110441652A (en) * | 2019-07-25 | 2019-11-12 | 北京三清互联科技有限公司 | It is a kind of highly sensitive outer to apply signal type fault location system and method |
CN115308453A (en) * | 2022-10-10 | 2022-11-08 | 杭州三海电子有限公司 | Burn-in test fixture and burn-in test system |
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CN101701997A (en) * | 2009-11-17 | 2010-05-05 | 王铮 | Solar energy dual intelligent high voltage power circuit real-time failure detection method and device |
CN104375060A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Fault indicator |
CN104764971A (en) * | 2015-03-18 | 2015-07-08 | 广东电网有限责任公司电力科学研究院 | Power distribution network overhead line single-phase grounding fault recognition positioning method and fault indicator |
CN104865489A (en) * | 2015-06-09 | 2015-08-26 | 国网山东济南市历城区供电公司 | System and method for overhead line fault location and monitoring |
CN205809217U (en) * | 2016-06-08 | 2016-12-14 | 宏秀电气有限公司 | A kind of fault detector |
CN206223913U (en) * | 2016-12-08 | 2017-06-06 | 北京鸿伟九舟电子设备有限公司 | A kind of cable type short-circuit fault indicator |
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2017
- 2017-06-26 CN CN201710495434.7A patent/CN107132446A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101701997A (en) * | 2009-11-17 | 2010-05-05 | 王铮 | Solar energy dual intelligent high voltage power circuit real-time failure detection method and device |
CN104375060A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Fault indicator |
CN104764971A (en) * | 2015-03-18 | 2015-07-08 | 广东电网有限责任公司电力科学研究院 | Power distribution network overhead line single-phase grounding fault recognition positioning method and fault indicator |
CN104865489A (en) * | 2015-06-09 | 2015-08-26 | 国网山东济南市历城区供电公司 | System and method for overhead line fault location and monitoring |
CN205809217U (en) * | 2016-06-08 | 2016-12-14 | 宏秀电气有限公司 | A kind of fault detector |
CN206223913U (en) * | 2016-12-08 | 2017-06-06 | 北京鸿伟九舟电子设备有限公司 | A kind of cable type short-circuit fault indicator |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109358267A (en) * | 2018-10-09 | 2019-02-19 | 国网湖南省电力有限公司 | A kind of distribution line power failure monitoring method based on fault detector |
CN109490691A (en) * | 2018-11-15 | 2019-03-19 | 湖南长高思瑞自动化有限公司 | Signal identification type fault detector and Fault Locating Method are applied outside a kind of |
CN110441652A (en) * | 2019-07-25 | 2019-11-12 | 北京三清互联科技有限公司 | It is a kind of highly sensitive outer to apply signal type fault location system and method |
CN115308453A (en) * | 2022-10-10 | 2022-11-08 | 杭州三海电子有限公司 | Burn-in test fixture and burn-in test system |
CN115308453B (en) * | 2022-10-10 | 2023-05-12 | 杭州三海电子科技股份有限公司 | Aging test fixture and aging test system |
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Application publication date: 20170905 |